Perhaps you should try some spelling variations:
ban hanh » ban hang
dai khoa » da khoa, tai khoa, dac khoa
cham cuu » cap cuu, chat cua
ve cham » va cham, ve chat, vu cham
lai roi » lai hoi, loi roi
hieu ve » hieu va, hieu van
hanh de » hanh ve, hanh kem
cuu ban » cuu van, cua ban, cuu san
tu sac » tu sach, tu cac, tu san
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 ((lai roi) or (dai khoa)). hieu ve cham cuu ban hanh de ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((lai roi) OR (dai khoa)). hieu ve cham cuu ban hanh de ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((lai roi) or (dai khoa)). hieu ve cham cuu ban hanh de ((cua te) or (cua tu))*.