Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu nhay vot snippets" » "cu nhay dot snippets", "cu nhan vo snippets", "cu nhan vot snippets", "cua nhan vot snippets", "cuu nhan vot 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: (((("cu nhay vot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu nhay vot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu nhay vot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu nhay vot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.