Perhaps you should try some spelling variations:
giai chieu » gioi thieu, gian hieu, gia hieu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
manh tung » manh hung, thanh tung
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: giai chieu xanh - ((hanh trung) or (manh tung)) cua nhung cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giai chieu xanh - ((hanh trung) OR (manh tung)) cua nhung cong tan van ban*.