Perhaps you should try some spelling variations:
trong doanh » trong nganh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh tuan » doanh luan, doan tuan, doanh quan
dong nhan » dung nhan, dong chan, dong ngan
cong nhan » cong nhat, cong thanh, cong san
tuan tap » toan tap, tuan tai, tuyen tap

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 - van ((dong nhan) or (cong nhan)) dung trong doanh tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - van ((dong nhan) OR (cong nhan)) dung trong doanh tuan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - van ((dong nhan) or (cong nhan)) dung trong doanh tuan tap*.