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
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong sat » cong suat, cong san, cong hat
hang dau » hang tai

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 cua nhung cong sat ((hang dau) OR (hang va))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung cua nhung cong sat ((hang dau) OR (hang va))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cua nhung cong sat ((hang dau) OR (hang va))*.