Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
trung vap » trung cap, trung va, trung lap
trung van » truong van, trong van, trung va
doan toan » dan toan, doanh hoan, doan trang
doan tuan » doan quan, doanh luan, doan quang
ho chinh » hoc chinh, cho chinh, hoa chinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - hanh ((trung vap) or (trung van)) nhung phuong ((doan toan) OR (doan tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - hanh ((trung vap) OR (trung van)) nhung phuong ((doan toan) OR (doan tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - hanh ((trung vap) or (trung van)) nhung phuong ((doan toan) OR (doan tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - hanh ((trung vap) or (trung van)) nhung phuong ((doan toan) OR (doan tuan)) cau*.