Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoan mo co snippets" » "khoan mot co snippets", "khoan o co snippets", "khoan so co snippets", "khoan moi co snippets", "khoan mo cho 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: (((("khoan mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan mo co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoan mo co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoan mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.