Perhaps you should try some spelling variations:
su triet » su viet, ve triet
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hang vi » hang va, hanh vi, hang di
hang ki » hang di, hang ke, hoang kim
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
nang xa » nang x, lang xa, nang ma
su tien » su kien, su hien, tu tieng
anh ky » hanh ky, anh y, anh my
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc anh ky nang xa hoi. hieu ve cam xuc van ((hang ki) or (hang vi)) ((su triet) OR (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc anh ky nang xa hoi. hieu ve cam xuc van ((hang ki) OR (hang vi)) ((su triet) OR (su tien))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc anh ky nang xa hoi. hieu ve cam xuc van ((hang ki) or (hang vi)) ((su triet) OR (su tien))*".