Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
trung tuan » trung thanh, trung tam, tran tuan
chong cong » cong cong, thong cong, cuong cong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
phan lap » phan dau

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