Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cuong tap » luong tap, cong tac, luong tai
tranh va » tranh van, trang va, trinh va
tap toan » tap doan, tap quan, bai toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu tinh)) - hanh tranh va nhung cuong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - hanh tranh va nhung cuong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - hanh tranh va nhung cuong tap toan cau*.