Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
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 - ((hanh trung) or (manh trung)) cua dung cong tac ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh trung) OR (manh trung)) cua dung cong tac ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh trung) or (manh trung)) cua dung cong tac ((phan cau) or (phan cac))*.