Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoan ti da snippets" » "khoan tai da snippets", "khoan di da snippets", "khoang thi da snippets", "khoan toi da snippets", "khoan thi da snippets", "khoan si da 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 ti da 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 ti da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoan ti da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoan ti da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.