Perhaps you should try some spelling variations:
tao nganh » tao nhan, cac nganh, da nganh
hanh gia » danh gia, thanh gian, hinh giao
sach tao » sach dao, sach bao, sach tai
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
gia cua » gian cua, giau cua, gia cuc
dua ban » dia ban, cua ban, qua ban
hieu ve » hieu va, hieu van
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tao nganh ((xay hoi) OR (tay hoi)). hieu ve cam ((xuc van) or (dua ban)) hanh gia cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tao nganh ((xay hoi) OR (tay hoi)). hieu ve cam ((xuc van) OR (dua ban)) hanh gia cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tao nganh ((xay hoi) OR (tay hoi)). hieu ve cam ((xuc van) or (dua ban)) hanh gia cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach tao nganh ((xay hoi) OR (tay hoi)). hieu ve cam ((xuc van) or (dua ban)) hanh gia cua tre*.