Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va hoi yong snippets" » "va hoi dong snippets", "va hoi long snippets", "va hoi nong snippets", "xa hoi yong snippets", "va hoc yong snippets", "va hoa yong 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: (((("va hoi yong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va hoi yong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va hoi yong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va hoi yong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.