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