Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
tuan tong » toan tong, thuan trong, toan thong
nhung cau » chung cu, nhung bai, nhu cau
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong dan, dong ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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