Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hai con snippets" » "cong hai code snippets", "cong thai con snippets", "cong ha con snippets", "hoang hai con snippets", "cong phai con snippets", "cong bai con snippets", "cong hai son 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 hai con 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 hai con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hai con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hai con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.