Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
hanh trinh » canh tranh
chieu sach » chinh sach, chiet tach, chieu sang
cac phuong » cac truong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong kinh » trong kinh
kinh toan » tinh toan, hinh toan, minh toan
toan ban » van ban

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: ho ((hieu manh) OR (chieu sach)) - ((hanh trinh) OR (hanh chinh)) cac phuong dong kinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sach)) - ((hanh trinh) OR (hanh chinh)) cac phuong dong kinh toan ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - ((hanh trinh) OR (hanh chinh)) cac phuong dong kinh toan ban*.