Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
xanh di » vanh dai, xanh tai
danh di » danh du, danh dien, danh gia
cao duc » dao duc, giao duc, tao duoc
cua tre » cua te, cuu tre, cua triet
cao suc » cao su
hieu va » lieu va, hieu qua
ty nang » ky nang, ty xang, ty hang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang x hoi. hieu va ((cao suc) or (cao duc)) va ((danh di) OR (xanh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang x hoi. hieu va ((cao suc) OR (cao duc)) va ((danh di) OR (xanh di)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang x hoi. hieu va ((cao suc) or (cao duc)) va ((danh di) OR (xanh di)) cua tre*".