Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong sach de snippets" » "cong sach code snippets", "ong sach de snippets", "song sach de snippets", "duong sach de snippets", "cong cach de snippets", "cong sach dao snippets", "cong sach dat snippets"
"python using java snippets" » "python using data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong 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: (((("cong sach de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong sach de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong sach de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.