Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using pre snippets" » "python using code snippets", "python nursing pre snippets", "python using one snippets", "python using ph snippets"
"tri cho dao snippets" » "tri co dao snippets", "tri nho dao snippets", "tri chi dao snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using pre snippets") or ("tri cho dao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using pre snippets") OR ("tri cho dao snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( python using pre snippets ) or ( tri cho dao snippets ))) or ( locating bug core snippets ))*.