Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh toan » tinh toan, thanh toan, trinh han
toan phong » toan thong, tran phong, toan khong
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
phan cau » phan dau, phan cac, phan tu

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: toc thieu xanh - canh trinh toan phong ((cong san) OR (cong tan)) phan cau~.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - canh trinh toan phong ((cong san) or (cong tan)) phan cau*.