Perhaps you should try some spelling variations:
chat duc » chat xuc, chat doc, chet duoc
phu san » phi san, thuy san
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
su chat » su phat, du chat, so chat
hieu su » hieu sau, tieu su, hieu so
lai hoi » dai hoi, lai hoa, lai roi
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
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: phu san ((ky sang) or (ky tang)) lai hoi. hieu su chat duc va danh vi ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phu san ((ky sang) OR (ky tang)) lai hoi. hieu su chat duc va danh vi ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "phu san ((ky sang) or (ky tang)) lai hoi. hieu su chat duc va danh vi ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: phu san ((ky sang) or (ky tang)) lai hoi. hieu su chat duc va danh vi ((cua te) OR (cua tu))*.