Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thong cong » trong cong, tong cong, thong thong
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
thong cua » thong quan, thong tu, huong cua
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chieu)) sach - thanh thong cua thong cong san ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) sach - thanh thong cua thong cong san ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doi chieu)) sach - thanh thong cua thong cong san ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) sach - thanh thong cua thong cong san ((than cau) OR (phan cau))*.