Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhan chuan » nhan chan, nhan chua, zhang chuan
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
cong nhan » cong nhat, cong thanh, cong san
chuan ha » chuan he, quan ha, chuan bi

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua trong cong nhan chuan ha~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua trong cong nhan chuan ha*.