Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
dang thai » dang thi, dang hai, dang khai
chi xanh » chi anh, chi danh, chi hanh
cua dong » chua dong, cua cong, cua dang
dan thai » dan thi, dan than, ban thai
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 - hanh tranh cua dong cong ((dan thai) OR (dang thai)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh tranh cua dong cong ((dan thai) OR (dang thai)) cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh tranh cua dong cong ((dan thai) OR (dang thai)) cao*.