Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh thong » thanh thuong, thanh thang, thanh chuong
thieu xanh » chieu xanh, hieu manh, thien anh
vien nganh » vien thanh
thanh hong » thanh huong, thanh hoang, thanh cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (vien nganh)) - thanh trung ((thanh thong) OR (thanh hong)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (vien nganh)) - thanh trung ((thanh thong) OR (thanh hong)) cong dan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (vien nganh)) - thanh trung ((thanh thong) OR (thanh hong)) cong dan phan cau*".