Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan than voi snippets" » "tan thanh voi snippets", "tan tran voi snippets", "ban than voi snippets", "tan than vo snippets", "tan tan voi snippets", "tan than roi 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: (((("tan than voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan than voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan than voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan than voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.