Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi hang ke snippets" » "khoi nang ke snippets", "khoi khong ke snippets", "khoai lang ke snippets", "khoi thong ke snippets", "khoi hanh kem snippets", "khoi nhung ke 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 hang ke 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 hang ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi hang ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi hang ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.