Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
trinh cua » tinh cua, trinh luat, trinh quan
sinh cua » manh cua, dinh cuu, sinh va
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) OR (thien anh)) - hanh ((trinh cua) or (sinh cua)) nhung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - hanh ((trinh cua) OR (sinh cua)) nhung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (thien anh)) - hanh ((trinh cua) or (sinh cua)) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (thien anh)) - hanh ((trinh cua) or (sinh cua)) nhung cong tac than cau*.