Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet
su tien » su kien, su hien, tu tieng
hanh ca » hanh cac, hanh cat, hanh cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
soc va » hoc va, loc va, doc va
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky sang ma hoi. hieu ve cham soc va hanh ca ((((su triet) or (ve triet))) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang ma hoi. hieu ve cham soc va hanh ca ((((su triet) OR (ve triet))) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: su sac ky sang ma hoi. hieu ve cham soc va hanh ca ((((su triet) or (ve triet))) or (su tien))*.