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