Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu qua, diep quang
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
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 quang)) - hanh chinh luan nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu quan) OR (hieu quang)) - hanh chinh luan nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu quan) or (hieu quang)) - hanh chinh luan nhung cong dan than cau*.