Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
vang thanh » van thanh, dang thanh, tang thanh
kien hanh » hien hanh, nien hanh, tien hanh
tran tuan » tran xuan, tran quang, tran thanh
hung cong » nhung cong, hung cuong, phung cong
cong vang » cong lang, cong quang, cong ngang
thanh cac » hanh cac, thanh bac, thanh ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su kien hanh - thanh ((trung tuan) OR (tran tuan)) hung cong vang thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su kien hanh - thanh ((trung tuan) OR (tran tuan)) hung cong vang thanh cac".
• Adding a wildcard symbol may retrieve word variants: su kien hanh - thanh ((trung tuan) OR (tran tuan)) hung cong vang thanh cac*.