Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
tuong vao » tuong va, tuong vo, tuong dao
vao thong » va thong, tao thong, van thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - thanh tuong vao thong ((cong dan) OR (cong san)) ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - thanh tuong vao thong ((cong dan) or (cong san)) ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh tuong vao thong ((cong dan) or (cong san)) ((toan cau) OR (toan ban))*.