Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau dan hoi snippets" » "khau luan hoi snippets", "khao danh hoi snippets", "nhan dan hoi snippets", "khau dan hoc snippets", "khau dai hoi snippets", "khau dang khoi 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: (((("khau dan 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: (((("khau dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau dan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau dan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.