Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
toc sach » hoc sach, doc sach, thuoc sach
thanh vi » hanh vi, thanh va, thanh ve
toc sac » toc san, hoc sach, doc sach
cua cao » cua cac, cu cao, cua cay
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
su tien » su kien, su hien, tu tieng
ve cua » le cua, de cua, te cua
cao va » cao van, tao va, co va

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

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