Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
thien van » thi van
toc sach » hoc sach, doc sach, thuoc sach
danh dau » lanh dao, hang dau, danh tu
dinh dau » dinh dat, dinh du, dinh dao
truc van » truc va, thuc van, truc ban
van cham » van chat, van tham, va cham
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang xa hoi. thien van cham truc van ((dinh dau) OR (danh dau)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xa hoi. thien van cham truc van ((dinh dau) OR (danh dau)) ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang xa hoi. thien van cham truc van ((dinh dau) OR (danh dau)) ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. thien van cham truc van ((dinh dau) OR (danh dau)) ((cua tre) or (cua te))*.