Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cuu tre, dua tren, cua thep
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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 xa hoi. lieu va cam tuc va thanh vi ((((cua tre) OR (cua te))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. lieu va cam tuc va thanh vi ((((cua tre) OR (cua te))) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu va cam tuc va thanh vi ((((cua tre) OR (cua te))) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va cam tuc va thanh vi ((((cua tre) OR (cua te))) or (cua triet))*.