Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
phan tong » phan trong, phan cong, han tong
vinh toan » tinh toan, hinh toan, vinh tran
minh toan » tinh toan, manh toan, minh tuan
cua phan » cua nhan, cua phap, cua han

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (chieu tinh)) - canh tranh cua phan tong ((vinh toan) OR (minh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chieu tinh)) - canh tranh cua phan tong ((vinh toan) OR (minh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu manh) or (chieu tinh)) - canh tranh cua phan tong ((vinh toan) OR (minh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chieu tinh)) - canh tranh cua phan tong ((vinh toan) OR (minh toan)) tap*.