Perhaps you should try some spelling variations:
minh congo » minh cong, bind congo
hong jong » hong kong
sang minh » kang minah, anh minh, song min
congo shu » cong shu
dan data » can data, dan dana, dn data
data can » ata can, data case
can sang » can stand, can save, can say

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((wan or wing) yan) or (((hong jong) or (fang sheng)))) dan data can sang minh congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wan OR wing) yan) OR (((hong jong) OR (fang sheng)))) dan data can sang minh congo shu ;.
• Adding a wildcard symbol may retrieve word variants: (((wan or wing) yan) or (((hong jong) or (fang sheng)))) dan data can sang minh congo shu ;*.