Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, 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 hien xanh - canh manh cua dung cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh manh cua dung cong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh manh cua dung cong dan ((phan cau) or (phan cac))*.