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