Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
thanh va » thanh van, hanh va, thanh ha
nang doi » nang doc, nang noi, hang doi
thanh vi » hanh vi, thanh ve, nhanh vi
nam luu » nam suu, tam luu, nam luat
luu van » cuu van, luan van, luu hanh
doi hoi » doi thoi, doi voi, doi moi
ve cac » va cac, vien cac
te cac » tu cac, te cao, de cac

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 (ve cac)) ky nang doi hoi. thien van nam luu van ((thanh vi) OR (thanh va)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) OR (ve cac)) ky nang doi hoi. thien van nam luu van ((thanh vi) or (thanh va)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((te cac) OR (ve cac)) ky nang doi hoi. thien van nam luu van ((thanh vi) or (thanh va)) cua triet*.