Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cau dot snippets" » "cong cau code snippets", "cong cu dot snippets", "cong chuc dot snippets", "thong cau dot snippets", "cong cau do snippets", "cong cau doi snippets", "cong cau dong 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: (((("cong cau dot 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 cau dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cau dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cau dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.