Perhaps you should try some spelling variations:
thien nang » thien bang, thien dang, trien nang
cham xuc » cam xuc, chat xuc, cham soc
thu sach » thuat sach, thuoc sach, thu hoach
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
tu sach » su sach, te sach, tu cach
cua tre » cua te, cua triet, dua tren
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va

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: ((tu sach) OR (thu sach)) thien nang xa hoi. hieu va cham xuc va thanh va ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) thien nang xa hoi. hieu va cham xuc va thanh va ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) thien nang xa hoi. hieu va cham xuc va thanh va ((cua tre) or (cuu tre))*.