Perhaps you should try some spelling variations:
danh duy » manh duy, danh du, dinh duy
cua tre » cua te, cuu tre, cua triet
duy cua » day cua, dung cua
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
xac va » tac va, ac va, bac va
vu dai » vi dai, va dai, vu hai
vu sai » vu hai, vu san, vu tai

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

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