Perhaps you should try some spelling variations:
khoang trong » hoang trong, duong trong, cong trong
thanh trinh » thanh tinh, thanh binh, thanh trung
trong quang » truong quang, thong quang, trong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
cua khoang » cua khong, cua hang, cua khoa
quang toan » quang tuan, quang tran, quang doan
doi chieu » doc hieu, doi chi, ho chieu
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((hanh trinh) or (thanh trinh)) cua khoang trong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((hanh trinh) OR (thanh trinh)) cua khoang trong quang toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh trinh) or (thanh trinh)) cua khoang trong quang toan ban*.