Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
chat cua » nhat cua, chat va, chat huu
hieu su » hieu sau, tieu su, hieu so
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
su chat » su phat, du chat, so chat
tu sac » tu sach, tu cac, tu san
cua va » cua vat, chua va, cua van
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 ((ky sang) or (ky tang)) dai hoi. hieu su chat cua va hanh dai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (ky tang)) dai hoi. hieu su chat cua va hanh dai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) or (ky tang)) dai hoi. hieu su chat cua va hanh dai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) or (ky tang)) dai hoi. hieu su chat cua va hanh dai ((cua te) OR (cua tu))*.