Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
van anh » van thanh, tuan anh, van minh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cam tuc » cam xuc, cam tu, dam thuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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 ky nang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) van anh ((vai cua) or (lai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) van anh ((vai cua) OR (lai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) van anh ((vai cua) or (lai cua)) triet*".