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