Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
quang cua » quan cua, quang tuan, quang huy
cua nhung » va nhung
cong bai » cuong bai, cong hai, cung bai
bai toan » bai tap
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: theo dieu danh - nhanh quang cua nhung cong bai toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo dieu danh - nhanh quang cua nhung cong bai toan cau*.