Perhaps you should try some spelling variations:
danh lai » danh sai, gianh lai, dinh lam
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » hieu qua
dao suc » dao duc, dao tuc, cao suc
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky
suc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cai ky lang xa hoi. ((hieu va) or (lieu va)) dao suc va danh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky lang xa hoi. ((hieu va) OR (lieu va)) dao suc va danh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cai ky lang xa hoi. ((hieu va) or (lieu va)) dao suc va danh lai cua tre*.