Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
xuc van » duc van, luc van, vuc van
ty nang » ky nang, ty xang, ty hang
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va
sach ty » sach y, sach tu, sach thu
van anh » van thanh, tuan anh, van minh
cac xuc » cam xuc, cac nuoc, chat xuc
vi cua » vai cua, di cua
anh vi » hanh vi, anh va, anh ve
cua tu » cua tuc, cua su, cua cu

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 ty nang ((cau hoi) or (cao hoc)). ((hieu ve) or (hieu van)) cac xuc van anh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((cau hoi) OR (cao hoc)). ((hieu ve) OR (hieu van)) cac xuc van anh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((cau hoi) or (cao hoc)). ((hieu ve) or (hieu van)) cac xuc van anh vi cua tu*.