Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan lang son snippets" » "tai lang son snippets", "ban lang son snippets", "lan lang son snippets", "tan nang song snippets", "tan bang song snippets", "tan anh son 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 lang son 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 lang son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan lang son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan lang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.