Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kai hang cac snippets" » "dai hang cac snippets", "kai yang cac snippets", "rai hang cac snippets", "kai hang ca snippets", "kai hang cau snippets", "kai bang cac 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 hang cac 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 hang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kai hang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kai hang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.