Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung cua » truong cua, trung tuan, trung cap
phan cong » thanh cong
doc hieu » toc thieu, hoc thieu, hoc hien
ban cong » bang cong, van cong, ban huong
san tuan » van tuan, san luan, san quan
tuan cu » tuan tu, quan cua, tuan thu

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