Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang he ca snippets" » "bang che ca snippets", "nang he ca snippets", "bang thep ca snippets", "bang he cac snippets", "bang he can snippets", "bang he cao 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: (((("bang he 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: (((("bang he ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang he ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang he ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.