Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
trinh qua » trinh quan, trinh cua, trinh quang
qua duong » quan duong, qua dung, qua dong
cong tac » cong ty
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trinh qua duong ((huong dan) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trinh qua duong ((huong dan) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh qua duong ((huong dan) or (cong tac)) toan tap*.