Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thieu xanh » chieu xanh, thien anh, thien danh
thanh toan » thanh hoa, thanh san, tinh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
cang nang » chang nang, cang thang, sang ngang
dang cong » dung cong
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - cang nang cao dang cong thanh toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - cang nang cao dang cong thanh toan cau*.