Perhaps you should try some spelling variations:
thanh tung » thanh cong
chinh chau » chinh cau, chinh cho, chinh phu
cong hoan » cong hoa, dong hoa, cong ha
chi xanh » chi anh, chi danh, chi hanh
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh tung cua dung ((cong hoan) OR (cong san)) chinh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh tung cua dung ((cong hoan) OR (cong san)) chinh chau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh tung cua dung ((cong hoan) OR (cong san)) chinh chau*.