Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan ba hoi snippets" » "phan ba code snippets", "phan bo hoi snippets", "phan dau hoi snippets", "phan lap hoi snippets", "phan bia hoi snippets", "phan xa hoi snippets", "phan ba 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: (((("phan ba 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: (((("phan ba hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan ba hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ba hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.