Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung tuan » trung thanh, trung tam, tran tuan
mot chieu » doi chieu, ho chieu
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cac doanh » cac dan, van doanh, cho doanh
cac dang » cao dang, cac dan, cac cong

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 (mot chieu)) sach - thanh trung tuan dung cong ((cac doanh) or (cac dang)) tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) sach - thanh trung tuan dung cong ((cac doanh) OR (cac dang)) tai.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) sach - thanh trung tuan dung cong ((cac doanh) or (cac dang)) tai*.