Perhaps you should try some spelling variations:
china's welt » china's belt, china's west, china's health
welt chang » welt anhang, welt hans
chang rhee » chang hee, chang chen, change wheel
dong yang » dong hoang, wang yang, yang yang
dong ping » dong bin, dong jung, ting ping
jong shin » song shin, jong chan, jong min

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (((dong yang) or (dong ping)))) did china's welt chang rhee jong shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (((dong yang) OR (dong ping)))) did china's welt chang rhee jong shin ;.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (((dong yang) or (dong ping)))) did china's welt chang rhee jong shin ;*.