Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
van thong » van thuong, van phong, va thong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan van

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 - canh trinh van thong ((cong dan) OR (cong tan)) ((phan dau) OR (phan cac))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh van thong ((cong dan) or (cong tan)) ((phan dau) or (phan cac))*.