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