Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
phat xuc » chat xuc, phat xuat, phap xu
hieu su » hieu sau, tieu su, hieu so
va hanh » va thanh, va danh, ban hanh
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
lai hoi » dai hoi, lai hoa, lai roi
su phat » su pham, tu phat, xu phat
vi cua » vai cua, di cua
tu sai » tu bai, tu san, tu cai
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ((ky sang) or (ky tang)) lai hoi. hieu su phat xuc ((va hanh) or (van hanh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ((ky sang) OR (ky tang)) lai hoi. hieu su phat xuc ((va hanh) OR (van hanh)) vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky sang) or (ky tang)) lai hoi. hieu su phat xuc ((va hanh) or (van hanh)) vi cua tu*.