Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
quan trong » gian trong
theo chu » cho chu, chao chu, theo yeu
canh ban » can ban, canh van, doanh ban
canh dan » canh van, sanh dan, thanh dan
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) xanh - ((canh ban) OR (canh dan)) quan trong cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - ((canh ban) OR (canh dan)) quan trong cong van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo chu)) xanh - ((canh ban) OR (canh dan)) quan trong cong van tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - ((canh ban) OR (canh dan)) quan trong cong van tuan ban*.