Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh soc » thanh son, nhanh soc, thanh hoc
sinh cua » manh cua, dinh cuu, sinh va
dinh chi » dinh thi, dinh tri, dinh moi
hieu van » hieu va, thien van, lieu va
te sach » toc sach
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
vi cuu » vi luu, vinh cuu
soc va » hoc va, loc va, doc va

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 ky dang xa hoi. hieu van thanh soc va hanh ((vi cuu) or (((dinh chi) or (sinh cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xa hoi. hieu van thanh soc va hanh ((vi cuu) OR (((dinh chi) OR (sinh cua)))) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xa hoi. hieu van thanh soc va hanh ((vi cuu) or (((dinh chi) or (sinh cua)))) tre*.