Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thau xay » thuat xay, tu xay, phan xay
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
xay ky » tay ky
ma hoi » mai hoi, xa hoi, ma hoa
va dau » va dao
xua va » xuat va, sua va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thau xay ky nang ma hoi. hieu va dau ((xua va) or (vua va)) danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thau xay ky nang ma hoi. hieu va dau ((xua va) OR (vua va)) danh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: thau xay ky nang ma hoi. hieu va dau ((xua va) or (vua va)) danh vi cua triet*.