Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » hanh trang, manh trung, danh trung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
hay dung » xay dung, gay dung, hai dung
cong tan » cong tac, cong san, cong thanh
tan doan » tran doan, tap doan, van doan
doan cau » toan cau, doan dau, doan cap

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 - ((hanh trung) or (thanh trung)) hay dung cong tan doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trung) OR (thanh trung)) hay dung cong tan doan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trung) or (thanh trung)) hay dung cong tan doan cau*.