Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh cac » hang cac, hanh cat, nhanh cay
cac cuu » cap cuu, cac cau, cac chu
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
ve cam » ve cac, va cam, ve cai
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))) or (va cac)) luc va hanh cac cuu 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))) OR (va cac)) luc va hanh cac cuu 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))) or (va cac)) luc va hanh cac cuu tre*".