Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong san » cong tac
tban cau » toan cau, toan cao, ban can
lang va » lang van, hang va, lang ha
ban cau » bang cau, ban can, van cau

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 - nhanh lang va nhung cong san ((tban cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - nhanh lang va nhung cong san ((tban cau) OR (ban cau)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - nhanh lang va nhung cong san ((tban cau) or (ban cau))*.