Perhaps you should try some spelling variations:
thien van » thi van
van cham » van chat, van tham, va cham
su triet » su viet, su tien, ve triet
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can

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) OR (tu san)) ky nang cao hoi. thien van cham soc ((va hanh) or (gia thanh)) lai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang cao hoi. thien van cham soc ((va hanh) OR (gia thanh)) lai su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu san)) ky nang cao hoi. thien van cham soc ((va hanh) or (gia thanh)) lai su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu san)) ky nang cao hoi. thien van cham soc ((va hanh) or (gia thanh)) lai su triet*.