Perhaps you should try some spelling variations:
va phuong » va thuong, cac phuong
chi hanh » chi nhanh, chi thanh, thi hanh
va thong » va thuong, he thong, va thanh
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 hanh - canh tranh ((((va thong) or (va cong))) or (va phuong)) cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - canh tranh ((((va thong) OR (va cong))) OR (va phuong)) cong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - canh tranh ((((va thong) or (va cong))) or (va phuong)) cong van tuan ban*.