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