Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thanh de » hanh de, thanh ve, thanh le
thanh do » thanh pho, thanh hoa, thanh loi
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va pham » van pham, va phat, va phap
thuc xa » thuc xay, tuc xa, thuc va
cua tre » cua te, cuu tre, cua triet

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 nang xa hoi. lieu va pham thuc xa ((thanh de) OR (thanh do)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu va pham thuc xa ((thanh de) OR (thanh do)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va pham thuc xa ((thanh de) OR (thanh do)) cua tre*.