Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
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
tan trang » tan tran, ta trang, ban trang
trang cho » trong cho, trang o, sang cho
cau sach » cao sach, hau sach, rau sach
cong tan » cong tac, cong san, cong thanh

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

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