Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham hoa » pham hoa, thanh hoa, pham khoa
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, v nang, may nang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) OR (ly nang)) ma hoi. lieu va ((tham hoa) or (cham soc)) va danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) ma hoi. lieu va ((tham hoa) OR (cham soc)) va danh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ly nang)) ma hoi. lieu va ((tham hoa) or (cham soc)) va danh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ly nang)) ma hoi. lieu va ((tham hoa) or (cham soc)) va danh vi cua triet*.