Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
hoc sach » hoc sinh, hoc cac, hoc anh
thanh vi » hanh vi, thanh va, thanh ve
su tien » su kien, su hien, tu tieng
cua lao » cu lao, ca lao, cua dao
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
lao va » tao va, cao va, bao va
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dac sac) or (hoc sach)) ky nang xa hoi. hieu ve cua lao va thanh vi ((cua triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dac sac) OR (hoc sach)) ky nang xa hoi. hieu ve cua lao va thanh vi ((cua triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: ((dac sac) or (hoc sach)) ky nang xa hoi. hieu ve cua lao va thanh vi ((cua triet) or (su tien))*.