Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con cua nghe snippets" » "con cua ngan snippets", "con cua nha snippets", "con cap nghe snippets", "cong cua nghe snippets", "co cua nghe snippets", "dong cua nghe 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: (((("con cua nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con cua nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con cua nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con cua nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.