Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hoc thieu » hoc hien
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - thanh tuong cua dung cong tan ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sang - thanh tuong cua dung cong tan ((toan cau) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sang - thanh tuong cua dung cong tan ((toan cau) or (toan cao))*.