Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
danh vi » hanh vi, dinh vi, danh di
hieu va » hieu qua
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc 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: te sach ky lang ha hoi. ((hieu va) or (lieu va)) cham ((xuc va) OR (luc va)) danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ha hoi. ((hieu va) OR (lieu va)) cham ((xuc va) OR (luc va)) danh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang ha hoi. ((hieu va) or (lieu va)) cham ((xuc va) OR (luc va)) danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang ha hoi. ((hieu va) or (lieu va)) cham ((xuc va) OR (luc va)) danh vi cua tre*.