Perhaps you should try some spelling variations:
china's role » china's rise, china's belt
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
role thi » le thi, role sri
kim song » kim young, kim eung
song min » song ming, gong min, jong min
thi kim » thi diem

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (((dong yang) OR (wang yang)))) did china's role thi kim song min ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sin) or (((dong yang) OR (wang yang)))) did china's role thi kim song min ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (((dong yang) OR (wang yang)))) did china's role thi kim song min ;*.