Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
ky mang » ke mang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
xuc van » duc van, luc van, vuc van
vai cua » hai cua, lai cua, bai cua
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky mang) OR (ky nang)) lai hoi. hieu su chat xuc van hanh ((vai cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky mang) OR (ky nang)) lai hoi. hieu su chat xuc van hanh ((vai cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky mang) OR (ky nang)) lai hoi. hieu su chat xuc van hanh ((vai cua) or (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky mang) OR (ky nang)) lai hoi. hieu su chat xuc van hanh ((vai cua) or (dai cua)) te*.