Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong dao ve snippets" » "duong dao ve snippets", "luong dao ve snippets", "tuong dao ve snippets", "cuong bao ve snippets", "cuong dap ve snippets", "cuong dau ve 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 dao ve 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 dao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong dao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong dao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.