Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi su cay snippets" » "khoi su cao snippets", "khoi su can snippets", "khoi tu cay snippets", "khoa su cay snippets", "hoi su cay snippets", "thoi su cay 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: (((("khoi su cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi su cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi su cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi su cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.