Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh xuat » trinh luat, trinh xuan, trich xuat
xuat thong » xuat thuong, suat thong, luat thuong
hieu lang » chieu sang, hieu quang, nhieu tang
doi hieu » doi chieu, doc hieu, doi hien
luong va » dung va
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: doi hieu lang - hanh trinh xuat thong ((huong dan) or (luong va)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - hanh trinh xuat thong ((huong dan) OR (luong va)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - hanh trinh xuat thong ((huong dan) or (luong va)) toan cau*.