Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi cong ca snippets" » "thi cong ca snippets", "khu cong ca snippets", "phi cong ca snippets", "khi cong cua snippets", "khi cong cau snippets", "khi cong cac 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: (((("khi cong ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi cong ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi cong ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi cong ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.