Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chen ho cuu snippets" » "hen ho cuu snippets", "che ho cuu snippets", "chun ho cuu snippets", "chen ho chu snippets", "chen ho cua snippets", "chen so cuu 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 cuu 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 cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chen ho cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chen ho cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.