Perhaps you should try some spelling variations:
van tham » van thanh, van tuan, van chat
tham tuc » tham thuc, thai tuc, nham thuc
toc sach » hoc sach, doc sach, thuoc sach
van dinh » van minh, van dich, xuan dinh
dau cua » dai cua, day cua, cau cua
va dinh » va kinh, va tinh, vu dinh
toc sac » toc san, hoc sach, doc sach
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, nang ma
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: ((toc sac) OR (toc sach)) ky nang xa hoi. thi van tham tuc ((va dinh) or (van dinh)) dau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sac) OR (toc sach)) ky nang xa hoi. thi van tham tuc ((va dinh) OR (van dinh)) dau cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sac) OR (toc sach)) ky nang xa hoi. thi van tham tuc ((va dinh) or (van dinh)) dau cua tre*".