Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong trinh, truong thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
theo yeu » theo tieu, thiet yeu, theo chu
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong ty
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 (theo yeu)) xanh - hanh mang cua thuong ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - hanh mang cua thuong ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo yeu)) xanh - hanh mang cua thuong ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - hanh mang cua thuong ((cong tan) OR (cong thanh)) toan ban*.