Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, lieu vien
nano cho » nano cuo, nang chon, danh cho
nang cho » nang chon, ngang cho, nang cao
vien cac » vien bach, vien dai, vien da
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
xuc van » duc van, luc van, vuc van
cua cau » cua cac, cua chu, cua cay
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 tu ((nano cho) OR (nang cho)) hoc. hieu vien cac ((xuc van) or (duc tan)) hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((nano cho) OR (nang cho)) hoc. hieu vien cac ((xuc van) OR (duc tan)) hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((nano cho) OR (nang cho)) hoc. hieu vien cac ((xuc van) or (duc tan)) hanh vi cua cau*".