Perhaps you should try some spelling variations:
vien nganh » vien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
hieu xanh » hieu manh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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))) or (vien nganh)) - hanh trung cua hang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((((hieu xanh) OR (chieu xanh))) OR (vien nganh)) - hanh trung cua hang cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((((hieu xanh) OR (chieu xanh))) or (vien nganh)) - hanh trung cua hang cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: doc ((((hieu xanh) OR (chieu xanh))) or (vien nganh)) - hanh trung cua hang cong dan than cau*.