Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
cong thanh » dong thanh, cong trinh, cong tan
cong san » cong tac
pho cau » pho cap, pho cam, pho can
pha cau » phan cau, phap cau, pha cac

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 sach - thanh trung tuan thong ((cong thanh) or (cong san)) ((pho cau) OR (pha cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung tuan thong ((cong thanh) OR (cong san)) ((pho cau) OR (pha cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung tuan thong ((cong thanh) or (cong san)) ((pho cau) OR (pha cau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung tuan thong ((cong thanh) or (cong san)) ((pho cau) OR (pha cau))*.