Perhaps you should try some spelling variations:
phat truc » phap truoc, phan trac, phim truc
va thanh » gia thanh, ban thanh, va tinh
thanh ve » hanh ve, thanh va, thanh vien
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
truc va » thuc va, thuc vat, trung va
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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 cao hoi. lieu va phat truc va thanh ve ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang cao hoi. lieu va phat truc va thanh ve ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang cao hoi. lieu va phat truc va thanh ve ((cua tre) or (cua te))*.