Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cong » trong cong, truong dong, truong long
truong cao » truong dai
cao truong » cac truong, cho truong, cau truong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
cong cac » cuong cac, cong tac, cong cau
khoan va » doan va, khoa ma, nhan va

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) OR (hien hanh)) - thanh truong cao truong cong cac khoan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - thanh truong cao truong cong cac khoan va".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - thanh truong cao truong cong cac khoan va*.