Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
dung thuong » dung trong, hang thuong, cong thuong
hanh trinh » canh tranh, hanh chinh
thuat dung » thuat hung, thuat ung, thuat xung
thuong dam » thuong mai, huong dan, truong dai
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
toan cau » toan cao, toan tap, toan tai
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: ((ho chieu) or (doc hieu)) tinh - hanh trinh thuat dung thuong dam ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) tinh - hanh trinh thuat dung thuong dam ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doc hieu)) tinh - hanh trinh thuat dung thuong dam ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) tinh - hanh trinh thuat dung thuong dam ((toan cau) OR (toan ban))*.