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 danh » va dinh, va dan, va hanh
sach ky » sac ky, sach y, sach ty
dinh xa » dinh ba, dinh va, dinh xu
ky dinh » ky sinh, ky danh, ky kinh
soc va » hoc va, loc va, doc va
vi cuu » vi luu, vinh cuu

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 dinh xa hoi. hieu van thanh soc va danh ((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 dinh xa hoi. hieu van thanh soc va danh ((vi cuu) OR (((dinh chi) OR (sinh cua)))) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky dinh xa hoi. hieu van thanh soc va danh ((vi cuu) or (((dinh chi) or (sinh cua)))) tre*.