Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
hang cong » dang cong, hang nong, bang cong
ho chinh » hoc chinh, cho chinh, hoa chinh
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 - manh ((trung cua) OR (trung tuan)) hang cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - manh ((trung cua) OR (trung tuan)) hang cong san ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - manh ((trung cua) OR (trung tuan)) hang cong san ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - manh ((trung cua) OR (trung tuan)) hang cong san ((toan tai) or (toan cao))*.