Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu rong cho snippets" » "khu cong cho snippets", "chu trong cho snippets", "thu trong cho snippets", "khu trong cho snippets", "khu dong cho snippets", "khu luong cho 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: (((("khu rong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu rong cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu rong cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu rong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.