Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh luan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tac than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tac than cau*.