Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac ca chi snippets" » "chac ca chi snippets", "khac co chi snippets", "khuc ca chi snippets", "khac a chi snippets", "khac cu chi snippets", "khac la 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: (((("khac ca 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: (((("khac ca chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac ca chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.