Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sang lai » sang tai, sang lap, mang lai
hieu sau » hieu su, hieu suat, hieu va
thanh vi » hanh vi, thanh va, thanh ve
tieu su » thieu so
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
tu sac » tu sach, tu cac, tu san
xu ban » xuc ban, tu ban, vu ban
sac ky » cac ky, sai ky
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 lai hoi. ((hieu sau) or (tieu su)) chao xu ban thanh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang lai hoi. ((hieu sau) OR (tieu su)) chao xu ban thanh vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang lai hoi. ((hieu sau) or (tieu su)) chao xu ban thanh vi ((cua te) or (cua tu))*.