Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
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 thieu xanh - canh tranh cua ((hang cong) or (thong cong)) dan ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua ((hang cong) OR (thong cong)) dan ((than cau) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua ((hang cong) or (thong cong)) dan ((than cau) OR (than cap))*".