Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua dang chi snippets" » "cua cong chi snippets", "cua ban chi snippets", "cua dang thi snippets", "cua dung chi snippets", "cua dang phi 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 dang chi 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 dang chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua dang chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dang chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.