Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang meo doc snippets" » "nang mem doc snippets", "nang mien doc snippets", "nang cao doc snippets", "nang me doc snippets", "nang meo doi 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: (((("nang meo doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang meo doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang meo doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang meo doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.