Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc cham vo snippets" » "phuc cam vo snippets", "phuc chau vo snippets", "thuc pham vo snippets", "phuc cham vao snippets", "phuc cham voi snippets", "phuc cham o snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc cham vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc cham vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cham vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.