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