Perhaps you should try some spelling variations:
thien van » thi van
van chat » cao chat
chat duc » chat xuc, chat doc, chet duoc
danh cau » danh dau, danh ca, danh hau
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
su viet » so viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. thien van chat duc va danh cau ((su viet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. thien van chat duc va danh cau ((su viet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. thien van chat duc va danh cau ((su viet) or (ve triet))*.