Perhaps you should try some spelling variations:
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dinh chi » dinh thi, dinh tri, dinh moi
toc sach » hoc sach, doc sach, thuoc sach
tuc van » thuc van, truc van, duc van
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
chi tre » choi tre, cho tre, chi tro
tuc va » thuc va, truc va, tuc xa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty nang xa hoi. lieu va cham ((tuc van) OR (tuc va)) hanh dinh chi tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty nang xa hoi. lieu va cham ((tuc van) or (tuc va)) hanh dinh chi tre~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty nang xa hoi. lieu va cham ((tuc van) or (tuc va)) hanh dinh chi tre*.