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