Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao wang ca snippets" » "hao tang ca snippets", "chao yang ca snippets", "hao quang ca snippets", "hao hang ca snippets", "hao dang ca 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 wang ca 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 wang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao wang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao wang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.