Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay dan toi snippets" » "cac dan toi snippets", "ca dan toi snippets", "cay lanh toi snippets", "cay dan toc snippets", "cay dan thi snippets", "cay van toi 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: (((("cay dan toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay dan toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay dan toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay dan toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.