Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va doanh » van doanh, vay doanh, va danh
doanh co » doanh cua, doanh va, anh co
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cac xuc » cac nuoc, chat xuc, cac cuoc
ma hoi » mai hoi, xa hoi, ma hoa
co cua » con cua, ca cua, cong 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 ma hoi. hieu va ((cac xuc) or (cam xuc)) va doanh co cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu va ((cac xuc) OR (cam xuc)) va doanh co cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu va ((cac xuc) or (cam xuc)) va doanh co cua triet*.