Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nam thuc, nam duoc, nam luat
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
vi cuu » vi luu, vinh cuu

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 cao hoi. hieu van ((nam luc) or (((nhan luc) OR (nang luc)))) van hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoi. hieu van ((nam luc) OR (((nhan luc) OR (nang luc)))) van hanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoi. hieu van ((nam luc) or (((nhan luc) OR (nang luc)))) van hanh vi cuu tre*".