Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ket dan ke snippets" » "ket doan ke snippets", "ke dan ke snippets", "ket van ke snippets", "ket dan ky snippets", "ket dan ve snippets", "ket ban ke 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 dan ke 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 dan ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ket dan ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ket dan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.