Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
cham luc » cham soc, nhan luc, cham cuu
vai cuu » vai cua
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va
ly nang » ky nang, ly hang, ly vang
luc va » duc va, tuc va, loc va
x hoi » o 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: thuat sach ly nang ((x hoi) or (xa hoi)). ((hieu ve) OR (hieu van)) cham luc va hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ly nang ((x hoi) OR (xa hoi)). ((hieu ve) OR (hieu van)) cham luc va hanh vai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ly nang ((x hoi) or (xa hoi)). ((hieu ve) OR (hieu van)) cham luc va hanh vai cuu tre*".