Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, cua huong
hieu manh » chieu xanh, hieu nganh, dieu hanh
ca thuong » cao thuong, va thuong, cp thuong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - hanh trinh ((cua thuong) or (ca thuong)) cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh trinh ((cua thuong) OR (ca thuong)) cong dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh trinh ((cua thuong) or (ca thuong)) cong dan ((toan cao) or (toan tap))*.