Perhaps you should try some spelling variations:
khoang trong » hoang trong, duong trong, cong trong
quan khoang » quan hoang, tuan hoang, xuan hoang
thanh trinh » thanh tinh, thanh binh, thanh trung
trong quang » truong quang, thong quang, trong quan
hanh trinh » canh tranh, hanh chinh
quang toan » quang tuan, quang tran, quang doan
chi xanh » chi anh, chi danh, chi hanh
toan ban » van ban
doi chi » doi khi

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

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