Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tang van » dang van, hoang van, trong van
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
hieu su » hieu sau, tieu su, hieu so
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
hieu vu » hieu va, hieu ve, dieu vu
nang xa » nang x, lang xa, nang ma
luc va » duc va, tuc va, loc va

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 y ((nang xa) or (tang van)) hoi. ((hieu vu) OR (hieu su)) cham luc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (tang van)) hoi. ((hieu vu) OR (hieu su)) cham luc va hanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (tang van)) hoi. ((hieu vu) OR (hieu su)) cham luc va hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (tang van)) hoi. ((hieu vu) OR (hieu su)) cham luc va hanh vai cua tre*.