Perhaps you should try some spelling variations:
tranh hoa » thanh hoa, trinh hoa, tranh ha
tong cong » trong cong, cong cong, dung cong
yen tinh » tuyen tinh
hoa tong » hoa trong, hoa thong, hoa cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
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 hoa tong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho yen tinh - canh tranh hoa tong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - canh tranh hoa tong cong dan ((toan cau) or (toan ban))*.