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