Perhaps you should try some spelling variations:
thieu xanh » thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
dung ung » dung cong
phan cau » phan dau, phan cac, phan tu
a phan » va phan, xa phan, d phan
ung a » sung a, ung va

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) OR (hieu manh))) or (chieu xanh)) - canh tranh cua dung ung a phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (chieu xanh)) - canh tranh cua dung ung a phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (hieu manh))) or (chieu xanh)) - canh tranh cua dung ung a phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) OR (hieu manh))) or (chieu xanh)) - canh tranh cua dung ung a phan cau*.