Perhaps you should try some spelling variations:
hong hong » hong kong, hong jong, hong ng
sang minh » kang minah, anh minh, song min
dan data » can data, dan dana, dn data
data can » ata can, data case
can sang » can stand, can save, can say
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 sang 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 sang minh cong shu ;.
• Adding a wildcard symbol may retrieve word variants: (((wang or wing) yan) or (((hong hong) or (fang sheng)))) dan data can sang minh cong shu ;*.