Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh luan
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trinh cua) or (trinh quan)) dung cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trinh cua) OR (trinh quan)) dung cong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trinh cua) or (trinh quan)) dung cong dan phan tu*.