Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, anh trinh
hoc thieu » toc thieu, hoc hien
canh tinh » hanh tinh, manh tinh, canh tranh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan lap

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