Perhaps you should try some spelling variations:
tuan phuong » tran phuong, luan phuong, xuan phuong
phuong cong » phuong dong, phong cong, phung cong
hanh trong » hanh trang, anh trong, hinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
trong tuan » trong quan, trung tuan, trong tan
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
toan cau » toan ban, toan tap, toan tai
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 lang) or (chieu sang)) - hanh trong tuan phuong cong manh ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - hanh trong tuan phuong cong manh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (chieu sang)) - hanh trong tuan phuong cong manh ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - hanh trong tuan phuong cong manh ((toan cau) OR (toan cao))*.