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