Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
cong quang » luong quang, thong quang, duong quang
tieu hanh » dieu hanh, tiem hanh, tien hanh
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
tan cau » van cau, tan ca, tao cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - nhanh mang cua nhung ((cong san) OR (cong quang)) ((tan cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu hanh - nhanh mang cua nhung ((cong san) or (cong quang)) ((tan cau) OR (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - nhanh mang cua nhung ((cong san) or (cong quang)) ((tan cau) OR (toan cau))*.