Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lam » thanh lap, hanh kem, hanh va
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
sach ty » sach y, sach tu, sach thu
tang ma » mang may, tang van
cach tu » cach thuc
ma hoi » mai hoi, xa hoi, ma hoa
soc va » hoc va, loc va, doc va
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) or (cach tu)) tang ma hoi. hieu vu cham soc va hanh lam ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (cach tu)) tang ma hoi. hieu vu cham soc va hanh lam ((cua triet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (cach tu)) tang ma hoi. hieu vu cham soc va hanh lam ((cua triet) or (cua te))*.