Perhaps you should try some spelling variations:
nhung cho » chung cho, nhung chi, nhung chu
toc sach » hoc sach, doc sach, thuoc sach
vien cac » vien bach, vien dai, vien da
tu nhung » tu chung, cua nhung, thi nhung
duc van » duc va, duc tan, duc manh
xuc van » luc van, vuc van, xuc ban
cua cau » cua cac, cua chu, cua cay
sach tu » sach thu, cach tu, sach ty
cho hoc » co hoc, khoa hoc
ve cac » va cac
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: toc sach tu nhung cho hoc. hieu ((ve cac) OR (vien cac)) ((xuc van) or (duc van)) hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tu nhung cho hoc. hieu ((ve cac) OR (vien cac)) ((xuc van) OR (duc van)) hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach tu nhung cho hoc. hieu ((ve cac) OR (vien cac)) ((xuc van) or (duc van)) hanh vi cua cau*".