Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tang luan » dung luan
cong cong » cong dong, trong cong, dung cong
tang cua » mang cua, hang cua, thong cua
cong tac » cong ty
tac ban » tai ban, cac ban, tao ban
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((tang cua) OR (tang luan)) cong cong tac ban cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((tang cua) OR (tang luan)) cong cong tac ban cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang cua) OR (tang luan)) cong cong tac ban cau*.