Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
tai cua » thai cua, tai cuc, tri cua
hieu ke » hieu kem, chieu ke, hieu ky
ke cau » ket cau
cua te » cua tu
y nang » ky nang, ly nang, v nang
san y » dan y, san _
x hoi » o 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 (xa hoi)). hieu ke cau truc ((ban 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 (xa hoi)). hieu ke cau truc ((ban 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 (xa hoi)). hieu ke cau truc ((ban hanh) or (va thanh)) tai cua te*".