Perhaps you should try some spelling variations:
choc chinh » cuoc chinh, cho chinh, chon chinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trinh ve » trinh he, trinh va, trinh vi
ve nhung » va nhung, tu nhung
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chinh) OR (choc chinh)) sach - hanh trinh ve nhung cong tan ((than cap) OR (phan cac))~.
• Adding a wildcard symbol may retrieve word variants: ((hoc chinh) or (choc chinh)) sach - hanh trinh ve nhung cong tan ((than cap) or (phan cac))*.