Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
ban nhanh » ban hanh, ban thanh, ban nhan
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » hoc thieu, doi chieu, mot chieu
trang va » tran van
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) sach - phanh ((trang va) or (hang va)) thong cong ban nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - phanh ((trang va) OR (hang va)) thong cong ban nhanh cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - phanh ((trang va) or (hang va)) thong cong ban nhanh cau*.