Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phuc cham du snippets" » "phuc cham code snippets", "phuc cam du snippets", "phuc chau du snippets", "thuc pham du snippets", "phuc tham du snippets", "phuc pham duc snippets", "phuc pham duy 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 cham du 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 cham du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phuc cham du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cham du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.