Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
hau triet » hanh triet, hieu triet, khac triet
danh hai » dang hai, lanh hai, manh hai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. hieu qua cac xuc va danh hai ((hau triet) OR (cau triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang o hoi. hieu qua cac xuc va danh hai ((hau triet) OR (cau triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang o hoi. hieu qua cac xuc va danh hai ((hau triet) OR (cau triet))*.