Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
luan thong » luan phong, luan tuong, luat thong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) or (chi hanh)) - hanh tang luan thong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - hanh tang luan thong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - hanh tang luan thong cong dan ((toan cau) or (toan ban))*.