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

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