Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
tam thuc » tham thuc, am thuc, nam thuc
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
ve tam » ve tac, ve tai, va tam
vi cua » vai cua, di cua
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (hoc anh)) ky nang ((x hoi) or (xa hoi)). hieu ve tam thuc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc anh)) ky nang ((x hoi) OR (xa hoi)). hieu ve tam thuc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc anh)) ky nang ((x hoi) or (xa hoi)). hieu ve tam thuc va hanh vi cua triet*.