Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chen ho chu snippets" » "hen ho chu snippets", "che ho chu snippets", "chun ho chu snippets", "chen hoi chu snippets", "chen cho chu snippets", "chen ho chua 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: (((("chen ho chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chen ho chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chen ho chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chen ho chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.