Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
phuong dan » phuong danh, phuong doan, phuong lan
tranh cua » doanh cua, manh cua
cho chuc » cho chu, choi thuc, nhom chuc
cua dung » cua dang, cua dong, qua dung
ca tap » cua tap, cac tap, cp tap
va tap » va tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chuc nang - hanh tranh cua dung ((phuong dan) or (huong dan)) ((ca tap) OR (va tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chuc nang - hanh tranh cua dung ((phuong dan) OR (huong dan)) ((ca tap) OR (va tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chuc nang - hanh tranh cua dung ((phuong dan) or (huong dan)) ((ca tap) OR (va tap))".
• Adding a wildcard symbol may retrieve word variants: cho chuc nang - hanh tranh cua dung ((phuong dan) or (huong dan)) ((ca tap) OR (va tap))*.