Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
vu thai » vu thi, vu hai, vu phai
thai ky » thoi ky, than ky, thai ly
danh de » hanh de, dan de, dang de
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
xuc va » tuc va, luc va, xac va
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu thai ky tang van hoi. ((hieu ve) or (hieu va)) cam ((xuc va) OR (duc va)) danh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu thai ky tang van hoi. ((hieu ve) OR (hieu va)) cam ((xuc va) OR (duc va)) danh de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu thai ky tang van hoi. ((hieu ve) or (hieu va)) cam ((xuc va) OR (duc va)) danh de cua tre".
• Adding a wildcard symbol may retrieve word variants: vu thai ky tang van hoi. ((hieu ve) or (hieu va)) cam ((xuc va) OR (duc va)) danh de cua tre*.