Perhaps you should try some spelling variations:
thuong doan » phuong doan, huong dan, thuong han
theo chieu » theo tieu, ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
trinh va » trinh van, trinh vat, trinh ve
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
va hang » van hang, va nang, va lang

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 (doi chieu)) xanh - hanh trinh va hang thuong doan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - hanh trinh va hang thuong doan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - hanh trinh va hang thuong doan ((toan cau) or (toan ban))*.