Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho cua he snippets" » "cheo cua he snippets", "co cua he snippets", "chi cua he snippets", "cho cua che snippets", "cho cua te snippets", "cho cua le 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: (((("cho cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.