Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
dung khong » dung khang, dung hong, dung phong
hieu manh » hieu nganh, dieu hanh, hien hanh
trinh ung » trinh dung, trinh duong, trinh nhung
khong van » thong van, hong van, phong van
van quan » van ban
quan cu » quan cua, quang cu, quan cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - hanh trinh ung dung khong van quan cu~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - hanh trinh ung dung khong van quan cu*.