Perhaps you should try some spelling variations:
thanh trung » thanh tung
trinh than » trinh thanh, trinh han, trinh toan
hiem ngan » kim ngan, viem gan
trung cua » truong cua, trung tuan, trung cap
hoc hiem » hoc hien, hoc thieu, hoc thiet
ban cong » bang cong, van cong, phan cong
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hiem ngan - thanh trung cua ban cong trinh than cap~.
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - thanh trung cua ban cong trinh than cap*.