Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh quan » tinh quang, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh luan
dang cong » dung cong
cong san » cong tac
chat cau » chat cao, chat va, chat ban
chat cam » chat cao, thuat cam, chat va

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 - hanh ((trinh cua) or (trinh quan)) dang cong san ((chat cau) OR (chat cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trinh cua) OR (trinh quan)) dang cong san ((chat cau) OR (chat cam))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trinh cua) or (trinh quan)) dang cong san ((chat cau) OR (chat cam))*".