Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
tuan thong » toan thong, tran thong, xuan thong
tuan phong » thuan phong, tran phong, luan phong
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: ho ((chieu sang) or (chieu xanh)) - thanh trung ((tuan thong) OR (tuan phong)) cong tac ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh trung ((tuan thong) OR (tuan phong)) cong tac ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu xanh)) - thanh trung ((tuan thong) OR (tuan phong)) cong tac ban cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh trung ((tuan thong) OR (tuan phong)) cong tac ban cau*.