Perhaps you should try some spelling variations:
loai hoc » logic hoc, loai khoa, dai hoc
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vu cam » vu cham, vu cao, va cam
xuc va » duc va, tuc va, luc va
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 tang ((dai hoi) or (loai hoc)). hieu vu cam xuc va hanh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ((dai hoi) OR (loai hoc)). hieu vu cam xuc va hanh vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ((dai hoi) or (loai hoc)). hieu vu cam xuc va hanh vi ((cua te) or (cua tu))*.