Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cham » phuong phap, phuong thao
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong cau » huong cau, phuong cach, thuong chau
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trung ((cua nhung) OR (va nhung)) cong bang ((phuong cau) or (phuong cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cua nhung) OR (va nhung)) cong bang ((phuong cau) OR (phuong cham)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cua nhung) OR (va nhung)) cong bang ((phuong cau) or (phuong cham))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cua nhung) OR (va nhung)) cong bang ((phuong cau) or (phuong cham))*.