Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, dua tren
ve cam » ve cham, ve cac, va cam

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. hieu ve cam xuc ((va danh) or (van anh)) vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ve cam xuc ((va danh) OR (van anh)) vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ve cam xuc ((va danh) or (van anh)) vi ((cua tre) or (cua triet))*.