Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
luan thong » luan phong, luan tuong, luat thong
hieu manh » chieu xanh, hieu nganh, hien hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » 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 (dieu hanh)) - hanh tang luan thong cong manh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (dieu hanh)) - hanh tang luan thong cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (dieu hanh)) - hanh tang luan thong cong manh toan cau*.