Perhaps you should try some spelling variations:
cap nuoc » dat nuoc
co sach » bo sach, cuon sach, hoc sach
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
co hoi » co hoc, co loi
va cap » va cac, va dap, va cao
di cua » dai cua, doi cua, de cua
cua te » cua tu
o hoi » o hoc, o hai, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((do sanh) or (co sach)) ty nang ((o hoi) OR (co hoi)). hieu va cap nuoc va danh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((do sanh) OR (co sach)) ty nang ((o hoi) OR (co hoi)). hieu va cap nuoc va danh di cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((do sanh) or (co sach)) ty nang ((o hoi) OR (co hoi)). hieu va cap nuoc va danh di cua te*".