Perhaps you should try some spelling variations:
cua triet » su triet, va triet
ca trung » cua trung, cac trung, cao trung
trung va » truong va, trang va, trung ha
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
cua viet » ca viet, hoa viet, cua vat
bo sach » co sach, hoc sach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
qua ca » qua cac, qua cua, qua cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (do sanh)) y nang xa hoi. hieu qua ca trung va thanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (do sanh)) y nang xa hoi. hieu qua ca trung va thanh vi ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (do sanh)) y nang xa hoi. hieu qua ca trung va thanh vi ((cua triet) or (cua viet))*.