Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
trang doan » tran doan, trong doanh, quang doan
trang tuan » tran tuan, trung tuan, trong tuan
phung cong » nhung cong, phong cong, nhung chong
cong manh » cong danh, duong manh, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quang - hanh ((trang doan) OR (trang tuan)) phung cong manh ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - hanh ((trang doan) OR (trang tuan)) phung cong manh ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu quang - hanh ((trang doan) OR (trang tuan)) phung cong manh ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu quang - hanh ((trang doan) OR (trang tuan)) phung cong manh ((toan cau) or (toan tap))*.