Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
doan than » doan tuan, doan phan, doanh thanh
chi hanh » chi nhanh, chi thanh, thi hanh
dan than » dan chan, ban than, van than
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 hanh - hanh ((trung cua) or (trung tuan)) dung phuong ((doan than) OR (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - hanh ((trung cua) OR (trung tuan)) dung phuong ((doan than) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi hanh - hanh ((trung cua) or (trung tuan)) dung phuong ((doan than) OR (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - hanh ((trung cua) or (trung tuan)) dung phuong ((doan than) OR (dan than)) cau*.