Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vai » danh sai, danh va, doanh van
nang doc » nang luc
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
su sach » so sach, vu sach
doc loi » duc loi
vu khac » vu kham, vu khanh, bui khac
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai

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 (vu khac)) ky nang doc loi. hieu ((va cam) OR (va cao)) tu va danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khac)) ky nang doc loi. hieu ((va cam) OR (va cao)) tu va danh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu khac)) ky nang doc loi. hieu ((va cam) OR (va cao)) tu va danh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khac)) ky nang doc loi. hieu ((va cam) OR (va cao)) tu va danh vai cua triet*.