Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hinh thai » sinh thai, tinh thai, dinh thi
thai cua » than cua, tai cuc, tri cua
co sach » bo sach, cuon sach, hoc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van bac » van bao, van hac, dan bac
va hinh » va chinh, va kinh, va tinh
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ky nang xa hoi. hieu ((van bac) or (van ban)) xuc va hinh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ky nang xa hoi. hieu ((van bac) OR (van ban)) xuc va hinh thai cua triet.
• Adding a wildcard symbol may retrieve word variants: co sach ky nang xa hoi. hieu ((van bac) or (van ban)) xuc va hinh thai cua triet*.