Perhaps you should try some spelling variations:
hanh vai » hanh va, hanh tai, hanh van
te cach » ve cach, te sach, tu cach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cua cau » cua cac, cua chu, cua cay
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
ve cac » va cac, vien cac

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 nano) or (truc nano)) cho hoc. hieu ve cac xuc van ((hanh vai) OR (hanh vi)) cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach ((tu nano) OR (truc nano)) cho hoc. hieu ve cac xuc van ((hanh vai) OR (hanh vi)) cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach ((tu nano) or (truc nano)) cho hoc. hieu ve cac xuc van ((hanh vai) OR (hanh vi)) cua cau*".