Perhaps you should try some spelling variations:
chinh luan » chinh ngan, trinh luan, binh luan
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hieu quan » hieu qua, lieu quan, thien quan
hieu lang » chieu sang, hieu quang, nhieu tang
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu quan) or (hieu lang)) - hanh chinh luan nhung cong dan ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu quan) OR (hieu lang)) - hanh chinh luan nhung cong dan ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu quan) or (hieu lang)) - hanh chinh luan nhung cong dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu quan) or (hieu lang)) - hanh chinh luan nhung cong dan ((than cau) OR (than cap))*.