Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu
quan dong » quang dong, quan long, quan hoang
thanh ban » thanh san, thanh van, thanh bac
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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) OR (hoc hien)) xanh - hanh trinh quan dong ((cong ban) OR (cong tan)) thanh ban~.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - hanh trinh quan dong ((cong ban) or (cong tan)) thanh ban*.