Perhaps you should try some spelling variations:
te sach » toc sach
luc van » luoc van, luu van, duc van
vuc van » duc van, thuc van, chuc van
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
tu nano » truc nano
tu nang » tru nang, tu nong, tu lang
cua cau » cua cac, cua chu, cua cay
ve cac » va cac, vien cac
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: te sach ((tu nang) OR (tu nano)) cho hoc. hieu ve cac ((vuc van) or (luc van)) anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tu nano)) cho hoc. hieu ve cac ((vuc van) OR (luc van)) anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu nang) OR (tu nano)) cho hoc. hieu ve cac ((vuc van) or (luc van)) anh vi cua cau*".