Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu chau can snippets" » "huu han can snippets", "quy chau can snippets", "huu nhu can snippets", "huu hau can snippets", "huu chau van snippets", "huu chau cay 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: (((("huu chau can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu chau can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu chau can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu chau can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.