Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
trong gia » trong giao, trong nha, trong ca
cao trong » cao truong, cay trong, tao trong
thanh vi » hanh vi, thanh va, thanh ve
qua cao » qua cac, qua ca, qua cai
so sach » bo sach, co sach, hoc sach
so sanh » do sanh
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) y nang ma hoi. hieu qua cao trong gia thanh vi ((cua triet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) y nang ma hoi. hieu qua cao trong gia thanh vi ((cua triet) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) y nang ma hoi. hieu qua cao trong gia thanh vi ((cua triet) or (hoa viet))*.