Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chieu » hoc thieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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 cua thong cong ((tan toan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - anh tang cua thong cong ((tan toan) OR (van tuan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - anh tang cua thong cong ((tan toan) or (van tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - anh tang cua thong cong ((tan toan) or (van tuan)) cao*.