Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
trung cua » truong cua, trung cap, dung cua
san thang » van thang, san chang, san thanh
thang cau » hang cau, thong cau, thanh chau
cong san » cong tac

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

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