Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach hoi » sach doi, sach moi, cach thoi
hoi nang » hoi lang, ho nang, hoa nang
hanh van » thanh van, khanh van, hanh san
cham xuc » cam xuc, chat xuc, cham soc
hanh va » hang va, hanh vi
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ca tren » cau tren, cu tren, la tren
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, me hoi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach hoi nang ((ma hoi) OR (ma hoa)). hieu ve cham xuc va ((hanh van) OR (hanh va)) ca tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach hoi nang ((ma hoi) OR (ma hoa)). hieu ve cham xuc va ((hanh van) or (hanh va)) ca tren~".
• Adding a wildcard symbol may retrieve word variants: thuat sach hoi nang ((ma hoi) OR (ma hoa)). hieu ve cham xuc va ((hanh van) or (hanh va)) ca tren*.