Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap vat chi snippets" » "phap vat code snippets", "phap luat chi snippets", "phap phat chi snippets", "phap viet chi snippets", "phap van chi snippets", "phap va chi snippets", "phap vat khi 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 vat chi 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 vat chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap vat chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap vat chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.