Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cua nong » cua cong, cuu nong, cua dong
dong hoc » dong co, dong luc
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, 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: ho chieu xanh - thanh trung ((cua thong) or (cua nong)) dong hoc ((phan cau) OR (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cua thong) OR (cua nong)) dong hoc ((phan cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cua thong) or (cua nong)) dong hoc ((phan cau) OR (phan cac))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cua thong) or (cua nong)) dong hoc ((phan cau) OR (phan cac))*.