Perhaps you should try some spelling variations:
xuc tuan » duc thuan, quoc tuan, xuan tuan
sach tai » sach tham, sach dao, sach xa
sach bai » sach dao, cac bai, sach xa
hanh cho » danh cho, hang cho, han cho
sach thi » sach thu, sach thieu, sach tham
cac xuc » cam xuc, cac nuoc, chat xuc
cho hoc » co hoc, khoa hoc
cua cau » cua cac, cua chu, cua cay
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach thi) or (((sach tai) OR (sach bai)))) hanh cho hoc. hieu ve cac xuc tuan anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thi) OR (((sach tai) OR (sach bai)))) hanh cho hoc. hieu ve cac xuc tuan anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thi) or (((sach tai) OR (sach bai)))) hanh cho hoc. hieu ve cac xuc tuan anh vi cua cau*".