Perhaps you should try some spelling variations:
thien van » thi van
van tham » van thanh, van tuan, van chat
tham tuc » tham thuc, thai tuc, nham thuc
su sach » so sach, vu sach
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (co sach)) ky nang xa hoi. thien van tham tuc va hanh ((vai cua) OR (lai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (co sach)) ky nang xa hoi. thien van tham tuc va hanh ((vai cua) OR (lai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (co sach)) ky nang xa hoi. thien van tham tuc va hanh ((vai cua) OR (lai cua)) triet*".