Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao can chi snippets" » "hao van chi snippets", "hau can chi snippets", "hao dan chi snippets", "hao can thi snippets", "hao san chi 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: (((("hao can 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: (((("hao can chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao can chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.