Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
thu sach » tu sach, thuat sach, thuoc sach
lang van » dang van, tang van, hoang van
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang
cac xuc » cam xuc, cac nuoc, chat xuc
su sach » so sach, vu sach
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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 (su sach)) ky lang van hoi. hieu ve cac xuc ((van hanh) or (ban hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (su sach)) ky lang van hoi. hieu ve cac xuc ((van hanh) OR (ban hanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (su sach)) ky lang van hoi. hieu ve cac xuc ((van hanh) or (ban hanh)) vai cua triet*.