Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho co cua snippets" » "cheo co cua snippets", "cho cao cua snippets", "cho con cua snippets", "cho ca cua snippets", "cho cong cua 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 co cua 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 co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.