Perhaps you should try some spelling variations:
thanh khung » thanh hung, thanh chuong, thanh phuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
khung cua » chung cua, khung luan, chung cu
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
cua nong » cua cong, cuu nong, cua dong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (thien anh)) - thanh khung cua nong ((cong manh) OR (cong danh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien anh)) - thanh khung cua nong ((cong manh) OR (cong danh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (thien anh)) - thanh khung cua nong ((cong manh) OR (cong danh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien anh)) - thanh khung cua nong ((cong manh) OR (cong danh)) toan cao*.