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 tao » cong tac, cong tan, cong bao
tao ban » tao bac, cao bang, tao nhan
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 tao ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang cua) OR (tang luan)) cong cong tao ban cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang cua) or (tang luan)) cong cong tao ban cau*.