Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cuoc lo snippets" » "nhung cuoc lo snippets", "nhan luc lo snippets", "nhan cua lo snippets", "nhan cuoc o snippets", "nhan quoc lo snippets", "nhan cuoc 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: (((("nhan cuoc lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan cuoc lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cuoc lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cuoc lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.