Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, hieu quan
trien quang » tran quang, tuyen quang, dien quang
chinh doanh » kinh doanh
nhung huong » nhung phuong, nhung tuong, nhung cong
doanh va » doan va, doanh tai, doanh cua
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 quang) OR (trien quang)) - chinh doanh va nhung huong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu quang) OR (trien quang)) - chinh doanh va nhung huong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu quang) OR (trien quang)) - chinh doanh va nhung huong dan ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu quang) OR (trien quang)) - chinh doanh va nhung huong dan ((toan cau) or (toan tap))*.