Perhaps you should try some spelling variations:
cap nuoc » dat nuoc
hoc sach » hoc sinh, hoc cac
so sanh » do sanh
hieu ve » hieu va, hieu van
danh di » danh du, xanh di, danh dien
hoc anh » hoc nganh, hoc nhanh, ngoc anh
va danh » va dinh, va dan, va hanh
ty nang » ky nang, ty xang, ty hang
di cua » dai cua, doi cua, de cua
ve cap » ve cac, le cap, ve cai
cua te » cua tu
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

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