Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong duong » tuong duong, thong dung, thong huong
doi chieu » doc hieu, doi chi, mot chieu
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
duong dan » duong dang, huong dan, duong van
ho chieu » theo chieu, hoc thieu, mot chieu
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: ((ho chieu) OR (doi chieu)) tinh - thanh trung cua thong duong dan ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - thanh trung cua thong duong dan ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) tinh - thanh trung cua thong duong dan ((phan cac) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) tinh - thanh trung cua thong duong dan ((phan cac) or (phan dau))*.