Perhaps you should try some spelling variations:
cua triet » su triet, va triet
hanh vai » hanh vi, hanh tai, hanh van
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hanh va » hang va, hanh vi
ve dat » de dat, va dat, ve dao
nuoc » quoc, duoc, ngoc

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 ly nang xa hoi. hieu ve dat nuoc va ((hanh vai) or (hanh va)) ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. hieu ve dat nuoc va ((hanh vai) OR (hanh va)) ((cua triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. hieu ve dat nuoc va ((hanh vai) or (hanh va)) ((cua triet) OR (cua viet))*".