Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
chu sach » thu sach, chieu sach, chuc hach
cau sach » hau sach, rau sach, khau sach
cao sach » co sach, ao sach, lao sach
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cao » toan cao, tran chau, trang cho

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

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