Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
te cach » ve cach, te sach, tu cach
nang co » nang cao, nang doc, nang noi
duc van » duc va, duc manh, duc phan
vai cua » dai cua, hai cua, lai cua
te cac » tu cac, ve cac, te cao
co hoi » co hoc, co loi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (te cach)) ky nang co hoi. thien van nam ((duc van) OR (duc tan)) thanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) or (te cach)) ky nang co hoi. thien van nam ((duc van) OR (duc tan)) thanh vai cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((te cac) or (te cach)) ky nang co hoi. thien van nam ((duc van) OR (duc tan)) thanh vai cua triet*.