Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ban thanh » ban hanh, ban hang
thanh cap » thanh lap, hanh cap, than cap
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: hoc ((chieu xanh) or (hieu nganh)) - ((hanh trang) OR (hanh trinh)) cua nhung cong ban thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu nganh)) - ((hanh trang) OR (hanh trinh)) cua nhung cong ban thanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hieu nganh)) - ((hanh trang) OR (hanh trinh)) cua nhung cong ban thanh cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu nganh)) - ((hanh trang) OR (hanh trinh)) cua nhung cong ban thanh cap*.