Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thanh trung » thanh tung
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tran » trung tuan, trung thanh, trung tam
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » hieu quang, nhieu tang, hieu van
tran dung » tran dang, tran hung, tran quang
danh toan » manh toan, anh toan, dan toan
toan cau » toan cao, toan ban, toan tap

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 manh) or (((chieu sang) OR (hieu lang)))) - thanh trung tran dung phuong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu sang) OR (hieu lang)))) - thanh trung tran dung phuong danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (((chieu sang) OR (hieu lang)))) - thanh trung tran dung phuong danh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu sang) OR (hieu lang)))) - thanh trung tran dung phuong danh toan cau*.