Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu xanh » hieu manh, hieu nganh, dieu hanh
manh tran » manh toan, manh tuan, canh tranh
tran xuan » tran quang, tran van
xuan dang » xuan nang, xuan cang, tuan dang
dang cong » dung cong
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang ca » hang va, nang cao, hang tai

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 xanh)) - manh tran xuan dang cong ban hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - manh tran xuan dang cong ban hang ca*.