Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tac chong » cac chuong, cac cong, cac chung
chong dau » cong dau, hang dau, cong dan
ho trong » hoc trong, hoa trong, hoi trong
cong tac » cong ty
tung ho » tuong ho, trung hoc, trung hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh tung ho trong cong tac chong dau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tung ho trong cong tac chong dau*.