Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
manh toan » thanh toan, anh tuan, tinh toan
yen tinh » tuyen tinh
van toan » van tuan, van tan, van thanh
ho yen » o yen, chao yen, hong yen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho yen tinh - canh tranh cua trung cong ((manh toan) or (((van toan) or (van ban)))) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho yen tinh - canh tranh cua trung cong ((manh toan) OR (((van toan) OR (van ban)))) cao.
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - canh tranh cua trung cong ((manh toan) or (((van toan) or (van ban)))) cao*.