Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
chi xanh » chi anh, chi danh, chi hanh
hoan qua » hoa qua, hoang quan, khoan quan
hoan cua » hoa cua, toan cua, han cua
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao
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 - doanh ((hoan qua) OR (hoan cua)) duong cong dan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - doanh ((hoan qua) OR (hoan cua)) duong cong dan thai cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - doanh ((hoan qua) OR (hoan cua)) duong cong dan thai cao*.