Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh quan, trinh luan
chan cap » than cap, cao cap, phan cac
khan cap » khan ap, than cap, khoan cam

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 - hanh ((trinh cua) OR (trinh luat)) nhung huong dan ((chan cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh cua) OR (trinh luat)) nhung huong dan ((chan cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((trinh cua) OR (trinh luat)) nhung huong dan ((chan cap) or (khan cap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trinh cua) OR (trinh luat)) nhung huong dan ((chan cap) or (khan cap))*.