Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cuong tap » luong tap, cong tac, luong tai
toan cau » toan cao, toan tai
toan ban » van ban
hanh va » hang va, hanh vi
va va » va van, va vua, va vai

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

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