Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ve cham » va cham, ve chat, vu cham
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cam » ve cac, va cam, ve cai
luc va » tuc va, loc va
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((ve cam) OR (ve cham)) ((luc va) or (duc va)) hanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang x hoi. hieu ((ve cam) OR (ve cham)) ((luc va) OR (duc va)) hanh va cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang x hoi. hieu ((ve cam) OR (ve cham)) ((luc va) or (duc va)) hanh va cua tre*".