Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
va danh » va dinh, va dan, va hanh
qua cac » cua cac
su sach » so sach, vu sach
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
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: ((su sach) or (te sach)) ky dang xa hoi. hieu qua cac xuc ((ban hanh) or (va danh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky dang xa hoi. hieu qua cac xuc ((ban hanh) OR (va danh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky dang xa hoi. hieu qua cac xuc ((ban hanh) or (va danh)) vi cua triet*.