Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua uu cho snippets" » "cua cuu cho snippets", "cua su cho snippets", "cua cu cho snippets", "cua vu cho snippets", "cua zu cho 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 uu 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 uu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua uu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua uu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.