Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
thieu sang » chieu sang, thieu khang, thieu quang
nhung cong » dung cong, thong cong, hang cong
chinh tai » chinh tri
tai nhung » thai nhung, thi nhung, tai hung
cong van » cong vang, cong san, song van
ban cu » ban cua, ban cau, ban tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sang) or (trien quang)) - hanh chinh tai nhung cong van ban cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (trien quang)) - hanh chinh tai nhung cong van ban cu.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (trien quang)) - hanh chinh tai nhung cong van ban cu*.