Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, ca tren, cau treo
nang mai » nang ma, nang tai, lang mai
hanh van » thanh van, khanh van, hanh san
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
sach ho » sach hoi, sach ha, sach lo
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ho nang » thi nang, kha nang, cao nang
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 ho nang mai hoi. hieu ve cham xuc va ((hanh van) OR (hanh va)) ((cau tren) OR (dau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ho nang mai hoi. hieu ve cham xuc va ((hanh van) or (hanh va)) ((cau tren) OR (dau tren))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ho nang mai hoi. hieu ve cham xuc va ((hanh van) or (hanh va)) ((cau tren) OR (dau tren))*.