Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, mot chieu
tuan hang » tuan hoang, tuan bang, tuan dang
hang dong » hang nong, hang cong, hanh dong
dong dinh » dong kinh, dang dinh, dong ninh
ho chieu » theo chieu, hoc thieu, mot chieu
dinh van » sinh vat

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 tuan hang dong dinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - thanh trung tuan hang dong dinh van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - thanh trung tuan hang dong dinh van ban*.