Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
thuat hung » thuat dung, thuat ung, thuat xung
hung cong » nhung cong, hung cuong, phung cong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chinh sach)) - hanh trinh thuat hung cong san ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chinh sach)) - hanh trinh thuat hung cong san ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chinh sach)) - hanh trinh thuat hung cong san ((toan cau) or (van ban))*.