Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi dao le snippets" » "khoi dau le snippets", "thoi dao le snippets", "hoi dap le snippets", "khoi do le snippets", "khoi dao ve snippets", "khoi hao le 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 dao le 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 dao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi dao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi dao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.