Perhaps you should try some spelling variations:
nang son » nang song, nang soan, lang son
te sach » toc sach
sach ky » sac ky, sach y, sach ty
son hai » cong hai
hieu va » lieu va
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
anh dai » vanh dai, anh bai, anh dat
cua tre » cua te, cuu tre, cua triet

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 nang son hai. ((hieu va) OR (hieu qua)) cam xuc ban anh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang son hai. ((hieu va) OR (hieu qua)) cam xuc ban anh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang son hai. ((hieu va) OR (hieu qua)) cam xuc ban anh dai cua tre*.