Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cua ke snippets" » "cong cu ke snippets", "dong cua ke snippets", "huong cua ke snippets", "cong cua ky snippets", "cong cua te snippets", "cong bua ke 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 cua ke 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 cua ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cua ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.