Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong tu hon snippets" » "cuong thu hon snippets", "luong tu hon snippets", "tuong tu hon snippets", "cuong tu chon snippets", "cuong tuc hon snippets", "cuong tu 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: (((("cuong tu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong tu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong tu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong tu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.