Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
theo chieu » theo tieu, theo chu, thi chieu
canh tinh » hanh tinh, manh tinh, canh tranh
ho chieu » hoc thieu, doi chieu, mot chieu
tinh va » tich va, trinh van, trinh vat
han tu » phan tu, hanh tu, van tu
ban tu » van 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) OR (theo chieu)) sach - canh tinh va nhung huong dan ((han tu) or (ban tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - canh tinh va nhung huong dan ((han tu) OR (ban tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - canh tinh va nhung huong dan ((han tu) or (ban tu))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - canh tinh va nhung huong dan ((han tu) or (ban tu))*.