Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
tieu xanh » tieu danh, chieu xanh, tien anh
thong cua » thong quan, thong tu
huong cua » dung cua
dang cong » dung cong
tran huu » tran duc

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) or (dieu hanh)) - hanh ((thong cua) OR (huong cua)) dang cong thanh tran huu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - hanh ((thong cua) OR (huong cua)) dang cong thanh tran huu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (dieu hanh)) - hanh ((thong cua) OR (huong cua)) dang cong thanh tran huu".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - hanh ((thong cua) OR (huong cua)) dang cong thanh tran huu*.