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