Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao hang ca snippets" » "hao zhang ca snippets", "hao hung ca snippets", "hao tang ca snippets", "hao hang va snippets", "hao nang cao snippets", "hao hang tai 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 hang 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 hang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.