Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh tranh » canh tranh, hanh trinh, hanh trang
khong cong » thong cong, khong cang, chong cong
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
ho kieu » ho lieu, thi kieu, ho chieu
so kieu » so dieu, so lieu, noi kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho kieu) OR (so kieu)) tinh - ((hanh tranh) or (thanh trung)) cua khong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho kieu) OR (so kieu)) tinh - ((hanh tranh) OR (thanh trung)) cua khong cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho kieu) OR (so kieu)) tinh - ((hanh tranh) or (thanh trung)) cua khong cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho kieu) OR (so kieu)) tinh - ((hanh tranh) or (thanh trung)) cua khong cong dan toan tap*.