Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
tong quan » thong quan, tong luan, luong quan
quan toan » quang toan, quan doan, xuan toan
ho chieu » theo chieu, hoc thieu, doi chieu
qua dung » quang dung, su dung, qua cong
toan ban » van ban

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 ((qua dung) OR (qua song)) tong quan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((qua dung) OR (qua song)) tong quan toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((qua dung) OR (qua song)) tong quan toan ban*.