Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh vai » thanh hai, thanh van, thanh oai
hieu van » thien van, lieu va, hieu ve
cua tre » cua te, cuu tre, cua triet
lam xuc » cam xuc, lam duoc
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. ((hieu van) or (hieu va)) lam xuc va ((thanh vai) OR (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. ((hieu van) OR (hieu va)) lam xuc va ((thanh vai) OR (thanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. ((hieu van) or (hieu va)) lam xuc va ((thanh vai) OR (thanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. ((hieu van) or (hieu va)) lam xuc va ((thanh vai) OR (thanh tai)) cua tre*.