Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach duoc » sach nuoc, sach dao, sach dung
hanh tai » thanh tai, hang tai, han tai
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bac tuc » bac tu, bach tuoc, bac thua
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. hieu va ((bac tuc) or (sach duoc)) va hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang xa hoi. hieu va ((bac tuc) OR (sach duoc)) va hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: co sach y nang xa hoi. hieu va ((bac tuc) or (sach duoc)) va hanh tai cua triet*.