Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van dinh » van minh, van dich, va dinh
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
nam duc » nam duoc, pham duc, nam thuc
duc van » duc va, duc tan, duc manh
ket cua » ket qua, det cua, keo cua
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te lai, te hai
te bai » te bao, te tai, te lai
te ban » te bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sai) or (((te bai) or (te ban)))) ky lang xa hoi. hieu van nam duc van dinh ket cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (((te bai) OR (te ban)))) ky lang xa hoi. hieu van nam duc van dinh ket cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sai) or (((te bai) or (te ban)))) ky lang xa hoi. hieu van nam duc van dinh ket cua tre*.