Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ket ca chi snippets" » "ket cau chi snippets", "ket va chi snippets", "ket a chi snippets", "ket cu chi snippets", "ket la chi 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 ca 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: (((("ket ca chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ket ca chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ket ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.