Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi dau hoi snippets" » "khoan dau hoi snippets", "hoi dap hoi snippets", "hoi dan hoi snippets", "khoi cau hoi snippets", "khoi dai hoi snippets", "khoi dan hoi 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: (((("khoi dau hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi dau hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi dau hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi dau hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.