Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thieu sang » chieu sang, thieu khang, hieu lang
nhung cong » dung cong, thong cong, hang cong
chinh tai » chinh tri
tai nhung » thai nhung, thi nhung, tai hung
cong vang » cong lang, cong quang, cong ngang
vang ban » van ban, hang ban, nang ban
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 (thieu quang)) - hanh chinh tai nhung cong vang ban cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu quang)) - hanh chinh tai nhung cong vang ban cu.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (thieu quang)) - hanh chinh tai nhung cong vang ban cu*.