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