Perhaps you should try some spelling variations:
tieu quang » thieu quang, hieu quang, tien quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua phuong, ca thuong, cua huong
cua truong » cua trung, xuan truong, cac truong
van hanh » van thanh, ban hanh, van anh
va hanh » va thanh, va danh, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu quang - hanh doanh ((cua thuong) or (cua truong)) thong ((va hanh) OR (van hanh)) tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu quang - hanh doanh ((cua thuong) OR (cua truong)) thong ((va hanh) OR (van hanh)) tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu quang - hanh doanh ((cua thuong) or (cua truong)) thong ((va hanh) OR (van hanh)) tai".
• Adding a wildcard symbol may retrieve word variants: theo tieu quang - hanh doanh ((cua thuong) or (cua truong)) thong ((va hanh) OR (van hanh)) tai*.