Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
nhung tuong » nhung huong, nhung phuong, hung vuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
tuong dan » huong dan, tung dan, xuong dan
thanh cha » thanh ha, thanh nha, thanh phan
tuong va » truong va, thuong va, luong va
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: theo chieu sang - thanh tuong va nhung tuong dan ((thanh cha) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh tuong va nhung tuong dan ((thanh cha) OR (toan cau))*.