Perhaps you should try some spelling variations:
luong quang » luong quan, dung quang
cong quang » thong quang, duong quang, dang quang
manh trung » manh tung, thanh trung, manh hung
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cap » truong cao, trung tam
cap dang » cao dang, cac dang, cap bang
than cau » toan cau, phan cau, than cap

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 xanh - manh trung cap dang ((cong quang) OR (luong quang)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - manh trung cap dang ((cong quang) OR (luong quang)) than cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - manh trung cap dang ((cong quang) OR (luong quang)) than cau*.