Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh cac » hang cac, hanh cat, nhanh cay
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
luc va » duc va, tuc va, loc va
cua te » cua tu
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
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: thuat sach y nang o hoi. hieu ((ve cam) or (va cac)) luc va hanh cac ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang o hoi. hieu ((ve cam) OR (va cac)) luc va hanh cac ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang o hoi. hieu ((ve cam) or (va cac)) luc va hanh cac ((cua tre) OR (cua te))*".