Perhaps you should try some spelling variations:
nang cham » trang cham, nang cao, nang phat
thi nang » thi cong, ki nang, thi hanh
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, dau tren, ca tren
sach ky » sac ky, sach y, sach ty
va hanh » va thanh, va danh, ban hanh
vai cau » va cau, van cau, vai cac
bo sach » co sach, hoc sach
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ky nang ((x hoi) or (o hoi)). thi nang cham xuc ((va hanh) OR (van hanh)) vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ky nang ((x hoi) OR (o hoi)). thi nang cham xuc ((va hanh) OR (van hanh)) vai cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ky nang ((x hoi) or (o hoi)). thi nang cham xuc ((va hanh) OR (van hanh)) vai cau tren".
• Adding a wildcard symbol may retrieve word variants: bo sach ky nang ((x hoi) or (o hoi)). thi nang cham xuc ((va hanh) OR (van hanh)) vai cau tren*.