Perhaps you should try some spelling variations:
moi nganh » khoi nganh, hoc nganh, moi ngay
cau triet » cau trieu, su triet, cua triet
nganh ky » nganh y, nganh xay, hanh ky
hieu van » hieu va, thien van, hieu ve
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: moi nganh ky nang xa hoi. ((hieu van) OR (lieu va)) cac du ((ban hanh) or (va danh)) ve cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: moi nganh ky nang xa hoi. ((hieu van) OR (lieu va)) cac du ((ban hanh) OR (va danh)) ve cau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "moi nganh ky nang xa hoi. ((hieu van) OR (lieu va)) cac du ((ban hanh) or (va danh)) ve cau triet".
• Adding a wildcard symbol may retrieve word variants: moi nganh ky nang xa hoi. ((hieu van) OR (lieu va)) cac du ((ban hanh) or (va danh)) ve cau triet*.