Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
manh tinh » man tinh, manh binh, canh tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
chan tu » han tu, chon tu, chai tu

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