Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phuc cua don snippets" » "phuc cua code snippets", "thuc cua don snippets", "hoc cua don snippets", "phuc vu don snippets", "phuc cua dong snippets", "phuc cua dan snippets", "phuc cua con 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: (((("phuc cua don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc cua don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phuc cua don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cua don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.