Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va doanh » van doanh, vay doanh, va danh
ly doanh » ly anh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
ve cac » va cac, vien 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: tu sach ky nang xa hoi. hieu ve cac luc ((va doanh) or (ly doanh)) va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ve cac luc ((va doanh) OR (ly doanh)) va cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ve cac luc ((va doanh) or (ly doanh)) va cua triet*.