Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
hoang nong » hang nong, hoang long, hoang cong
hang cong » dang cong, hang nong, bang cong
ho chinh » hoc chinh, cho chinh, hoa chinh
toan cau » toan cao, toan tap, toan tai
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: ho chinh sach - hanh trinh luan ((hoang nong) or (hang cong)) dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - hanh trinh luan ((hoang nong) OR (hang cong)) dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - hanh trinh luan ((hoang nong) or (hang cong)) dan ((toan cau) or (toan ban))*.