Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao bai choi snippets" » "nao tai chi snippets", "nao bai hoc snippets", "nao bai thi snippets", "cao bai choi snippets", "dao bai choi snippets", "nao ban choi 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: (((("nao bai choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao bai choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao bai choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao bai choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.