Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
dieu tinh » diep tinh, lieu tinh, dien tinh
dung cong » dung trong
tuong va » truong va, thuong va, luong va
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
co dieu » cao dieu, cho dieu, co dien
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: co dieu tinh - thanh tuong va dung cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co dieu tinh - thanh tuong va dung cong san ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: co dieu tinh - thanh tuong va dung cong san ((toan tai) or (toan cao))*.