Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thu sach » thuat sach, thuoc sach, thu hoach
hanh vai » hanh vi, hanh tai, hanh van
danh sai » dung sai, danh bat, danh dau
cham xuc » cam xuc, chat xuc, cham soc
hanh va » hang va, hanh vi
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
sai hoi » dai hoi, lai hoi, mai hoi
ky danh » ky anh, ky dang
ve cham » va cham, ve chat, vu cham
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (thu sach)) ky danh sai hoi. hieu ve cham xuc va ((hanh vai) or (hanh va)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky danh sai hoi. hieu ve cham xuc va ((hanh vai) OR (hanh va)) cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky danh sai hoi. hieu ve cham xuc va ((hanh vai) or (hanh va)) cau tren*".