Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cau tren » cu tren, dau tren, ca tren
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
ta danh » tac danh, tao danh, tap danh
danh vi » hanh vi, dinh vi, danh di
toc ta » toc tay, toc thai
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ty nang xa hoi. hieu va cac toc ta danh vi cau tren~.
• Adding a wildcard symbol may retrieve word variants: hoc sach ty nang xa hoi. hieu va cac toc ta danh vi cau tren*.