Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng va cao snippets" » "chong va cao snippets", "hang va cao snippets", "thong va cao snippets", "cheng va cac snippets", "cheng va co snippets", "cheng va dao 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: (((("cheng va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.