Perhaps you should try some spelling variations:
lanh hai » manh hai, thanh hai, lang chai
lanh dai » lanh dao, lang dai, vanh dai
te sach » toc sach
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
co xuc » co xuoc, co xua
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho
va co » vo co

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 ((ty nang) or (ty hang)) x hoi. hieu va co xuc va ((lanh dai) OR (lanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty hang)) x hoi. hieu va co xuc va ((lanh dai) OR (lanh hai)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty nang) or (ty hang)) x hoi. hieu va co xuc va ((lanh dai) OR (lanh hai)) cua tre*".