Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap kai chen snippets" » "cap xay chen snippets", "cap yan chen snippets", "cap cai chet snippets", "cap bai chen snippets", "cap tai chen snippets", "cap thai chen 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: (((("cap kai chen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap kai chen snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap kai chen snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap kai chen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.