Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"truc tac phi snippets" » "truc tai phi snippets", "truc bach phi snippets", "truc giac phi snippets", "truc tac thi snippets", "truc tac phu snippets", "truc tac pham snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("truc tac phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc tac phi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( truc tac phi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc tac phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.