Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
doanh hoan » doanh doanh, doanh khoa, doanh nhan
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
doan toan » dan toan, doan tuan, doan trang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - hanh trung vap nhung phuong ((doan toan) OR (doanh hoan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - hanh trung vap nhung phuong ((doan toan) OR (doanh hoan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chiet tach)) - hanh trung vap nhung phuong ((doan toan) OR (doanh hoan)) cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - hanh trung vap nhung phuong ((doan toan) OR (doanh hoan)) cau*.