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