Perhaps you should try some spelling variations:
nang khoa » hang khoa, dang khoa, nang hoa
van chat » cao chat
van hanh » van thanh, ban hanh, van anh
khoa hoc » hoa hoc
te cach » ve cach, te sach, tu cach
xuc van » duc van, luc van, vuc van
cua cau » cua cac, cua chu, cua cay
van cau » van dau, van hau, toan cau
cach tu » cach thuc
van cac » van hac, van bac, dan cac
tu nang » tru nang, tu nong, tu nano
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 khoa hoc. hieu ((van cac) or (((van cau) OR (van chat)))) xuc van hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach tu nang khoa hoc. hieu ((van cac) OR (((van cau) OR (van chat)))) xuc van hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach tu nang khoa hoc. hieu ((van cac) or (((van cau) OR (van chat)))) xuc van hanh vi cua cau*".