Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
nong cong » cong cong, tong cong, nang cong
cong doan » cong dan, cong hoan, dong doanh
cua nong » cua cong, cuu nong, cua dong
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 hien xanh - thanh trung cua nong cong doan ((phan cau) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh trung cua nong cong doan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung cua nong cong doan ((phan cau) OR (phan tu))*.