Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
chi sach » chinh sach, chieu sach, co sach
tinh cua » trinh cua, sinh cua, tinh chat
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - nhanh tinh cua ((nhung cong) or (hang cong)) ((dan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - nhanh tinh cua ((nhung cong) OR (hang cong)) ((dan toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - nhanh tinh cua ((nhung cong) or (hang cong)) ((dan toan) or (van toan)) cao*.