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