Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nang cau » nang cao, hang cau, nang dau
can thuc » dan thuc, van thuc, cay thuc
va triet » va trien, ve triet, cua triet
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
cam thu » nam thu, cac thu, ca thu
thiet » thieu

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 ly nang cau hoi. hieu ve ((can thuc) or (cam thu)) gia thanh vai ((va triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang cau hoi. hieu ve ((can thuc) OR (cam thu)) gia thanh vai ((va triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: su sach ly nang cau hoi. hieu ve ((can thuc) or (cam thu)) gia thanh vai ((va triet) or (va thiet))*.