Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap va toc snippets" » "phap va code snippets", "phap vat toc snippets", "pham va toc snippets", "pham van toc snippets", "phap va doc snippets", "phap va tac snippets", "phap va ton 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: (((("phap va toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap va toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap va toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap va toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.