Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kai yang cua snippets" » "hai yang cua snippets", "lai yang cua snippets", "khai sang cua snippets", "kai mang cua snippets", "kai hang cua snippets", "kai tang cua 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: (((("kai yang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kai yang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kai yang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kai yang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.