Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
va doanh » van doanh, vay doanh, va danh
ly doanh » ly anh
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
ve cau » ke cau, va cau, ve cac
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu ve cau luc ((va doanh) or (ly doanh)) va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ve cau luc ((va doanh) OR (ly doanh)) va cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ve cau luc ((va doanh) or (ly doanh)) va cua triet*.