Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua dao moi snippets" » "ca dao moi snippets", "cua dan moi snippets", "cua dai moi snippets", "cua do moi snippets", "cua dao noi 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 dao moi 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 dao moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua dao moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dao moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.