Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
dang xay » dang van, van xay
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
va pham » van pham, va phat, va phap
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, lang van
mang xa » mang may, mang cua, hoang xa
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

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 ky ((mang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va pham thuc va thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((mang xa) OR (((lang xa) OR (dang xay)))) hoi. lieu va pham thuc va thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((mang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va pham thuc va thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((mang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va pham thuc va thanh ve cua tre*.