Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dong luong » cong luong, dong duong, dong huong
trinh cua » tinh cua, trinh luat, trinh quan
cua dong » chua dong, cua cong, cua dang
ho chiu » ho chieu, hoi chiu, ho chi
va toan » van toan, bai toan, tap toan
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiu trach - hanh trinh cua dong luong ((va toan) or (van tai)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiu trach - hanh trinh cua dong luong ((va toan) OR (van tai)) tap.
• Adding a wildcard symbol may retrieve word variants: ho chiu trach - hanh trinh cua dong luong ((va toan) or (van tai)) tap*.