Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
cong manh » cong danh, duong manh, cong thanh
trang va » tran van, hang va
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
tang va » tang van, thang va, tang vat

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chua xang - anh ((tang va) OR (trang va)) nhung cong manh ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo chua xang - anh ((tang va) OR (trang va)) nhung cong manh ((toan cau) OR (toan ban))*.