Perhaps you should try some spelling variations:
va huong » va thuong, va phuong, va tuong
xa huong » xa phuong, xa muong, ga huong
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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 ky ((nang ma) or (sang ma)) hoi. hieu ve cam xuc ((xa huong) OR (va huong)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((nang ma) OR (sang ma)) hoi. hieu ve cam xuc ((xa huong) OR (va huong)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang ma) or (sang ma)) hoi. hieu ve cam xuc ((xa huong) OR (va huong)) dai cua tre*".