Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thanh hung » thanh huong, thanh tung, thanh trung
hoc thien » hoc hien, hoc thieu, hoc thiet
cao trong » cao truong, cay trong, tao trong
hung cao » phung cao, hung dao, nung cao
cong tac » cong ty
tac vang » cac van, tac dung, tac dong
vang cau » hang cau, van cau, bang cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - thanh hung cao trong cong tac vang cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh hung cao trong cong tac vang cau*.