Perhaps you should try some spelling variations:
nang lai » nang tai, mang lai, nang cai
thuc va » thuc vat, thuc dan, thuc day
su sach » so sach, vu sach
truc va » thuc vat, trung va
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang lai hoi. hieu ve cham ((truc va) or (thuc va)) hang ((di cua) OR (de cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang lai hoi. hieu ve cham ((truc va) OR (thuc va)) hang ((di cua) OR (de cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang lai hoi. hieu ve cham ((truc va) or (thuc va)) hang ((di cua) OR (de cua)) viet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang lai hoi. hieu ve cham ((truc va) or (thuc va)) hang ((di cua) OR (de cua)) viet*.