Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chinh sach, chiet tach, chieu sang
minh trang » tinh trang, minh hoang, minh tuan
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
ca thuong » cao thuong, cua thuong, va thuong
cong tac » cong ty
tban cau » toan cau, toan cao, ban can
ban cau » bang cau, ban can, van cau

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 sach - ((minh trang) or (hanh trinh)) ca thuong cong tac ((tban cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((minh trang) OR (hanh trinh)) ca thuong cong tac ((tban cau) OR (ban cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((minh trang) or (hanh trinh)) ca thuong cong tac ((tban cau) or (ban cau))*.