Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhiet nang » nhiet dong, viet nang, nhieu tang
hien xanh » hien hanh, hien nhanh, chieu xanh
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
cong cong » cong dong, trong cong, dung cong
cap cong » cac cong, cao cong, tap cong
cong san » cong tac
san phan » san pham, van phan, sat phan
phan lap » phan dau

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) or (((hieu lang) or (nhiet nang)))) - thanh trung cap cong cong san phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (((hieu lang) OR (nhiet nang)))) - thanh trung cap cong cong san phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (((hieu lang) or (nhiet nang)))) - thanh trung cap cong cong san phan lap*.