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