Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang ma cho snippets" » "tang ma cho snippets", "sang ma cho snippets", "nang cao cho snippets", "nang mai cho snippets", "nang mo cho snippets", "nang ma co 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 ma cho 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 ma cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang ma cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang ma cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.