Perhaps you should try some spelling variations:
sach thu » sach thue, sach tham, cach thuc
hanh vai » hanh vi, hanh va, hanh tai
cham xuc » cam xuc, chat xuc, cham soc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
van hoc » van hoa
van hoi » van hoa, van hoe, van loi
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach thu) OR (sach thieu)) tang ((van hoi) or (van hoc)). hieu va cham xuc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach thu) OR (sach thieu)) tang ((van hoi) OR (van hoc)). hieu va cham xuc va hanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach thu) OR (sach thieu)) tang ((van hoi) or (van hoc)). hieu va cham xuc va hanh vai cua te*".