Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
va thanh » gia thanh, ban thanh, va tinh
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va danh, ban hanh
hieu ke » hieu kem, chieu ke, hieu ky
ke cau » ket cau
y nang » ky nang, ly nang, v nang
cua te » cua tu
san y » dan y, san _
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san y nang ((x hoi) OR (o hoi)). hieu ke cau truc ((va hanh) or (va thanh)) tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san y nang ((x hoi) OR (o hoi)). hieu ke cau truc ((va hanh) OR (va thanh)) tai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san y nang ((x hoi) OR (o hoi)). hieu ke cau truc ((va hanh) or (va thanh)) tai cua te*".