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