Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thien van » thi van
tru nang » tra nang, tri nang, truc nano
tu nang » tu nong, tu nano, tu lang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi hoa » voi hoa, vi hoc, va hoa
x hoi » xa hoi, o hoi, x ho

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 ((tu nang) OR (tru nang)) x hoi. ((hieu ve) OR (thien van)) cam xuc va hanh vi hoa viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((tu nang) OR (tru nang)) x hoi. ((hieu ve) or (thien van)) cam xuc va hanh vi hoa viet~".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((tu nang) OR (tru nang)) x hoi. ((hieu ve) or (thien van)) cam xuc va hanh vi hoa viet*.