Perhaps you should try some spelling variations:
va phuong » va thuong, cac phuong
chi danh » chi dan, chi anh, chi dinh
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
doi chi » doi khi
va cong » tai cong, cua cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - canh tranh ((va cong) or (va phuong)) cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - canh tranh ((va cong) OR (va phuong)) cong van tuan ban*.