Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan lan voi snippets" » "phan lan code snippets", "phan lap voi snippets", "phan van voi snippets", "phan loai voi snippets", "phan lanh voi snippets", "phan ban voi snippets", "phan tan voi 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 lan voi 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 lan voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan lan voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan lan voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.