Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, theo chu
tranh chua » tranh cua, trinh chuan, tranh chap
chua thong » chung thong, chu khong, chua dong
thong cong » trong cong, tong cong, thong thong
dan chan » dan gian, van chat
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: ((theo chieu) or (doi chi)) xanh - hanh tranh chua thong cong ((dan chan) OR (dan ca)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chi)) xanh - hanh tranh chua thong cong ((dan chan) OR (dan ca)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chi)) xanh - hanh tranh chua thong cong ((dan chan) OR (dan ca)) cap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chi)) xanh - hanh tranh chua thong cong ((dan chan) OR (dan ca)) cap*.