Perhaps you should try some spelling variations:
hong hong » hong kong, hong jong, hong ng
yang minh » sang minh, yang mind, kang minah
dan data » can data, dan dana, dn data
data can » ata can, data case
can yang » dan yang, tan yang, chen yang
wang » wan, lang
cong » congo, long, pong

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((wang OR wing) yan) or (((hong hong) or (fang sheng)))) dan data can yang minh cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR wing) yan) OR (((hong hong) OR (fang sheng)))) dan data can yang minh cong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((wang OR wing) yan) or (((hong hong) or (fang sheng)))) dan data can yang minh cong shu ;".
• Adding a wildcard symbol may retrieve word variants: (((wang OR wing) yan) or (((hong hong) or (fang sheng)))) dan data can yang minh cong shu ;*.