Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
thang long » thanh cong
trung cua » truong cua, trung tuan, trung cap
cua thang » cua hang, cua thanh, xua thang
ho chieu » hoc thieu, doi chieu, mot chieu
long van » luong van, song van, lang van
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang 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 (ho chieu)) sach - thanh trung cua thang long van ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh trung cua thang long van ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh trung cua thang long van ((phan cac) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - thanh trung cua thang long van ((phan cac) or (phan dau))*.