Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va trien » va truyen, va thiet, va tuyen
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
qua cam » qua cham, qua cac, qua ca
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
ma hoi » mai hoi, xa hoi, ma hoa

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 ty nang ma hoi. hieu qua cam xuc ((va danh) OR (va hanh)) vi ((cua triet) or (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. hieu qua cam xuc ((va danh) OR (va hanh)) vi ((cua triet) OR (va trien))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang ma hoi. hieu qua cam xuc ((va danh) OR (va hanh)) vi ((cua triet) or (va trien))*".