Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap su cuong snippets" » "tap su tuong snippets", "tap su cong snippets", "tap su luong snippets", "tap suc cuong snippets", "thap su cuong snippets", "tai su cuong 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: (((("tap su cuong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap su cuong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap su cuong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap su cuong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.