Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
khai xuc » khai luoc, khai xuan, thai xu
nang xa » lang xa, nang ma, mang xa
va khai » van khai, va khao, va kha
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
sac ky » cac ky, sai ky
vi cau » va cau, ve cau, di cau
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang xa) OR (nang x)) hoi. lieu va khai xuc ((va hanh) or (va danh)) vi cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (nang x)) hoi. lieu va khai xuc ((va hanh) OR (va danh)) vi cau theo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((nang xa) OR (nang x)) hoi. lieu va khai xuc ((va hanh) or (va danh)) vi cau theo".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) OR (nang x)) hoi. lieu va khai xuc ((va hanh) or (va danh)) vi cau theo*.