Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tran thuat » trong thuat, trien thuat, tran tuan
thuat dang » thuat dung, thuat bang, thuat dan
hieu xanh » chieu xanh, hieu manh, hieu nganh
manh tran » manh toan, manh tuan, canh tranh
dang cong » dung cong
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (chieu sang)) - manh tran thuat dang cong ban thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu sang)) - manh tran thuat dang cong ban thanh hai*.