Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan vinh mon snippets" » "tran vinh mon snippets", "van vinh mon snippets", "tan binh mon snippets", "tan kinh mon snippets", "tan vinh son snippets", "tan trinh mon 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 vinh mon 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 vinh mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan vinh mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan vinh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.