Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
chinh doanh » kinh doanh
thieu sang » chieu sang, thieu khang, hieu lang
canh doanh » hanh doanh, doanh doanh, kinh doanh
luan nhung » luan chung, luan hung, quan nhung
nhung dong » nhung don, nhung cong, nhung dung
dong luan » dung luan, tong luan, dong xuan
luan hoan » luan van
hoan cao » hoang cao, toan cao, hoan hao

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)) - ((canh doanh) or (chinh doanh)) luan nhung dong luan hoan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu quang)) - ((canh doanh) OR (chinh doanh)) luan nhung dong luan hoan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sang) OR (thieu quang)) - ((canh doanh) or (chinh doanh)) luan nhung dong luan hoan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) OR (thieu quang)) - ((canh doanh) or (chinh doanh)) luan nhung dong luan hoan cao*.