Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
cua triet » cua viet, su triet, va triet
va tham » van tham, va cham, va thanh
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
doc va » duoc va, hoc va, duc va
lanh y » anh y, hanh y, lanh lay
loc va » hoc va, luc va
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: thuat lanh y nang o hoi. lieu va tham ((doc va) or (loc va)) hanh de ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh y nang o hoi. lieu va tham ((doc va) OR (loc va)) hanh de ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: thuat lanh y nang o hoi. lieu va tham ((doc va) or (loc va)) hanh de ((cua tre) or (cua triet))*.