Perhaps you should try some spelling variations:
truong khanh » truong thanh, trung khanh, trung thanh
truong hanh » truong thanh, truong anh, trong hanh
hieu quang » thieu quang, hieu quan, hieu qua
cong thanh » dong thanh, cong trinh, cong tan
dung cong » dung trong
thanh hoa » thanh pho
ho hieu » ho chieu, hoi hieu, nho hieu
hoa tan » hoa dan, hoa van, hoa tin

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 - thanh ((truong hanh) OR (truong khanh)) dung cong thanh hoa tan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu quang - thanh ((truong hanh) OR (truong khanh)) dung cong thanh hoa tan".
• Adding a wildcard symbol may retrieve word variants: ho hieu quang - thanh ((truong hanh) OR (truong khanh)) dung cong thanh hoa tan*.