Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung toan » truong toan, trung tuan, trung tran
toan trong » toan thong, tran trong, gian trong
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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 xanh - thanh trung toan trong cong san chan cau~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung toan trong cong san chan cau*.