Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi lon ca snippets" » "khoi dong ca snippets", "cho lon ca snippets", "hoi long ca snippets", "khoi lon cua snippets", "khoi lon va snippets", "khoi don ca 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 lon 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: (((("khoi lon ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi lon ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi lon ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.