Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu sach cap snippets" » "huu sach code snippets", "huu bach cap snippets", "hau sach cap snippets", "huu phach cap snippets", "huu sach dao snippets", "huu sach bai snippets", "huu sach xa snippets"
"python using java snippets" » "python using data 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: (((("huu sach cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu sach cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu sach cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu sach cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.