Perhaps you should try some spelling variations:
giai thanh » gia thanh, gian thanh, giay thanh
cach thuc » anh thuc, cac thu
thuc giai » thuoc giao, hoc giai, thuc thai
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
bo sach » co sach, hoc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
va cach » va cac
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty xang xa hoi. hieu va cach thuc giai thanh vi ((cuu tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ty xang xa hoi. hieu va cach thuc giai thanh vi ((cuu tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: bo sach ty xang xa hoi. hieu va cach thuc giai thanh vi ((cuu tre) or (cua triet))*.