Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao hai chi snippets" » "nao phai chi snippets", "ngo hai chi snippets", "nam hai chi snippets", "nao thai chi snippets", "nao tai chi snippets", "nao hai thi 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 hai chi 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 hai chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao hai chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao hai chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.