Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai cho lon snippets" » "khuan cho lon snippets", "chat cho lon snippets", "khai pha lon snippets", "khai cho cong snippets", "khai chon loc 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: (((("khai cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai cho lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai cho lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.