Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh huong, thanh cuong
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
dieu tinh » diep tinh, lieu tinh, dien tinh
cao dieu » cao hieu, cau dieu, cac dieu
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
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: cao dieu tinh - ((thanh tuong) OR (thanh tung)) va nhung cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao dieu tinh - ((thanh tuong) OR (thanh tung)) va nhung cong san ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao dieu tinh - ((thanh tuong) OR (thanh tung)) va nhung cong san ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: cao dieu tinh - ((thanh tuong) OR (thanh tung)) va nhung cong san ((toan tai) or (toan cao))*.