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