Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hoc sac » hoc sach, hoc cac, hoc mac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sac ky nang xa hoi. hieu ve cac tuc va danh vi ((cua te) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sac ky nang xa hoi. hieu ve cac tuc va danh vi ((cua te) OR (ve triet))*.