Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
trang va » tran van
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, tuan cu
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: theo chu xanh - hanh ((trang va) OR (hang va)) nhung cong van ((tuan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh ((trang va) OR (hang va)) nhung cong van ((tuan cau) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((trang va) OR (hang va)) nhung cong van ((tuan cau) or (toan cao))*.