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