Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung quang » truong quang, trong quang, trung quan
thieu xanh » chieu xanh, hieu manh, thien anh
quang dung » quang trung, ung dung, cuong dung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tan trung » than trung, tran trung, tuan trung
trung cau » trung cap, trung ca, trung can
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh trung quang dung cong tan trung cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung quang dung cong tan trung cau*.