Perhaps you should try some spelling variations:
xa phuong » va phuong, da phuong, ha phuong
ga huong » va huong, ban huong, mai huong
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
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 xa) OR (lang xa)) hoi. hieu ve cam tuc ((ga huong) or (xa phuong)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam tuc ((ga huong) OR (xa phuong)) dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam tuc ((ga huong) or (xa phuong)) dai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam tuc ((ga huong) or (xa phuong)) dai cua tre*.