Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phe phan hoi snippets" » "phe phan code snippets", "phi phan hoi snippets", "pho phan hoi snippets", "phieu phan hoi snippets", "phe phan phoi snippets", "phe phan thoi snippets", "phe phan hoa 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: (((("phe phan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe phan hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phe phan hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe phan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.