Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chu » trinh cau, trinh cho, trinh thuc
dong cong » duong cong, dung cong, dang cong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
chu dong » chiu dong, chua dong, cau dong
tan toan » tan tran, tap toan, van toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (ho chieu)) tinh - hanh trinh chu dong cong ((tan toan) or (anh tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) tinh - hanh trinh chu dong cong ((tan toan) OR (anh tuan)) tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) tinh - hanh trinh chu dong cong ((tan toan) or (anh tuan)) tap*.