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
hang cong » dang cong, hang nong, bang cong
van hang » van khang, van hoang, van thang
cong dan » cong san, cong tan, huong dan
cua cau » cua cac, cua chu, cua cay
ca cau » cac cau, can cau, ca 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 trinh) or (canh tinh)) van hang cong dan ((ca cau) OR (cua cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh trinh) OR (canh tinh)) van hang cong dan ((ca cau) OR (cua cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh trinh) or (canh tinh)) van hang cong dan ((ca cau) OR (cua cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh trinh) or (canh tinh)) van hang cong dan ((ca cau) OR (cua cau))*.