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