Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
pham thuc » phap thuc, pham chuc, nham thuc
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
cham tuc » nham thuc, tham thuc, cham soc
cua tre » cua te, cuu tre, dua tren
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa

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