Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, hien nhanh, chieu xanh
huong cua » dung cua
cong lang » cong vang, cong luong, cong quang
hung cua » chung cua, khung cua, dung cua
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - manh ((hung cua) OR (huong cua)) thong cong lang ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - manh ((hung cua) OR (huong cua)) thong cong lang ((than cau) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - manh ((hung cua) OR (huong cua)) thong cong lang ((than cau) or (than cap))*".