Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
cua nhung » va nhung
chao cau » chao chu, chao chao, cao cap
cau sach » cao sach, hau sach, rau sach
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao cau sach - ((hanh trang) or (hanh chinh)) cua nhung cong tan ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao cau sach - ((hanh trang) OR (hanh chinh)) cua nhung cong tan ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: chao cau sach - ((hanh trang) or (hanh chinh)) cua nhung cong tan ((than cau) or (toan ban))*.