Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, theo chu, thi chieu
doi chieu » doc hieu, doi chi, mot chieu
ca thuong » cao thuong, cua thuong, va thuong
ho chieu » hoc thieu, mot chieu, thi chieu
canh dan » canh van, sanh dan, thanh dan
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van 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 (((ho chieu) or (doi chieu)))) sang - canh dan ca thuong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((ho chieu) OR (doi chieu)))) sang - canh dan ca thuong cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((ho chieu) or (doi chieu)))) sang - canh dan ca thuong cong san toan ban*.