Perhaps you should try some spelling variations:
cam truc » cau truc, nam truc, lam truoc
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
lai hoi » dai hoi, lai hoa, lai roi
va hanh » van hanh, va thanh, va danh
hieu su » hieu sau, tieu su, hieu so
truc va » thuc va, thuc vat, trung va
tu sac » tu sach, tu san, tu bac
su cam » su nam, su cao, su can
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 sac) or (tu cac)) ((ky sang) OR (ky dang)) lai hoi. hieu su cam truc va hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ((ky sang) OR (ky dang)) lai hoi. hieu su cam truc va hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ((ky sang) OR (ky dang)) lai hoi. hieu su cam truc va hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ((ky sang) OR (ky dang)) lai hoi. hieu su cam truc va hanh vai cua tu*.