Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
chinh luan » chinh ngan, trinh luan, binh luan
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
chinh tai » chinh tri
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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 (hieu manh)) - hanh ((chinh luan) or (chinh tai)) nhung cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - hanh ((chinh luan) OR (chinh tai)) nhung cong tac phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (hieu manh)) - hanh ((chinh luan) or (chinh tai)) nhung cong tac phan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (hieu manh)) - hanh ((chinh luan) or (chinh tai)) nhung cong tac phan cau*.