Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan dong da snippets" » "nhan dong code snippets", "nhanh dong da snippets", "nhan dang da snippets", "phan dong da snippets", "nhan dong dat snippets", "nhan dong dao snippets", "nhan dong ha 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: (((("nhan dong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan dong da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan dong da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.