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

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) OR (thuat lanh)) y nang x 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 sach) OR (thuat lanh)) y nang x 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 sach) OR (thuat lanh)) y nang x hoi. hieu ke cau truc ((va hanh) or (va thanh)) tai cua te*".