Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu chan de snippets" » "huu han de snippets", "huu chau de snippets", "huu phan de snippets", "huu chat deo snippets", "huu cham den snippets", "huu chen den 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 chan de 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 chan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu chan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu chan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.