Perhaps you should try some spelling variations:
"dang dinh sach snippets" » "dang sinh sach snippets", "dang dieu sach snippets", "van dinh sach snippets", "dang tinh sach snippets", "dang chinh sach snippets", "dang dinh sach slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dang dinh sach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dinh sach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dinh sach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dinh sach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.