Perhaps you should try some spelling variations:
ban hang » ngan hang
nang cai » nang cao, nang tai, nang cap
tieu su » thieu so
cai hoi » cau hoi, dai hoi, cai hoa
hieu su » hieu sau, hieu so, hieu suat
hang vi » hang va, hanh vi, hang di
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 nang cai hoi. ((hieu su) or (tieu su)) chao xu ban hang vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang cai hoi. ((hieu su) OR (tieu su)) chao xu ban hang vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang cai hoi. ((hieu su) or (tieu su)) chao xu ban hang vi ((cua te) or (cua tu))*.