Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hung ion snippets" » "huu tung ion snippets", "huu dung ion snippets", "huy hung ion snippets", "huu ung ion snippets", "huu hung bien snippets", "huu nhung don 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 hung ion 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 hung ion snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hung ion snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hung ion snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.