Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
ty ngang » ly ngan, te ngan, tu ngan
ngang co » ngang cho, nang co, nganh co
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
sach ty » sach y, sach tu, sach thu
van anh » van thanh, tuan anh, van minh
cua cau » cua cac, cua chu, cua cay
cac xuc » chat xuc, cac cuoc, cac quoc
hieu ve » hieu va, hieu van
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: hoc sach ty ngang co hoc. hieu ve ((((cac xuc) OR (cac nuoc))) or (cam xuc)) van anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty ngang co hoc. hieu ve ((((cac xuc) OR (cac nuoc))) OR (cam xuc)) van anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ty ngang co hoc. hieu ve ((((cac xuc) OR (cac nuoc))) or (cam xuc)) van anh vi cua cau*".