There are two answers to this.
1/ The easy answer on the technical aspect:
Just enter a new search text into the "Search" box, change other settings if felt necessary and it the "Search / Refresh" button.
2/ The more difficult on what search terms to enter and options to choose:
That is basically what this guide together with the tips of users having posted in this topic try to explain. So I suggest you start to read the guide if you haven't yet.
Some hints for search terms:
Use the movie title only, without studio, omit the apostrophe ' and it's 's (means if the title says "The Owner's Boner" search for "The Owner Boner"
Search for actor names and only the actor names, no "," , "&" or "and" or "'s" (the names may be in the description, not the movie title)
Use the studio name only, omit words in it like "Studios", "Video", "Productions", "Entertainment", "Pictures", etc .., sort by size
For Asian movies, with often variable translations of the non Latin alphabet titles, a search in the approbate categories (Asian, Chubbies, Bear, BDSM, … ; one at a time) should be done, sorted by size, then going to the size and look to that torrent's descriptions if the same, e.g. compare number of bytes and images
Don't forget to search all categories by selecting no category.
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Remarks:
While torrent review the staff can make only a quick search and expect the uploader to have done multiple searches before. Unfortunately we find much too many duplicates with easy first search attempts.
However, by practising we develop a "feeling" what search terms are likely to find a duplicate
The staff uses the exact same search you got, we don't have a more advanced search tool. It is only the experience to use it, which makes the difference and this guide was made to share that experience.