Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
hang cong » dang cong, hang nong, bang cong
ho chieu » hoc thieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
tan toan » tan tran, tap toan, van toan
toan ban » van ban
tang va » trang va, tang van, thang va

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 - anh tang va ((hang cong) or (thong cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - anh tang va ((hang cong) OR (thong cong)) tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - anh tang va ((hang cong) or (thong cong)) tan toan ban*.