Perhaps you should try some spelling variations:
cac truc » cau truc, cac tru, cac trung
sinh ty » sinh ly, sinh y, sinh tu
ty nang » ky nang, ty xang, ty hang
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, ban hanh
luu tre » luu tru, cuu tre, luy tre
nang o » nang co, nang ho, nang ro
vi luu » vi lua
o hoi » co hoi, o hoc, o hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ty nang o hoi. lieu va cac truc va hanh vi luu tre~.
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty nang o hoi. lieu va cac truc va hanh vi luu tre*.