Perhaps you should try some spelling variations:
yan congo » yan cong
congo can » congo call, cong van, congo a
shang hai » shang kai, dang hai, chang ha
yang lin » yang jin, wang lin, yang li
wan yan » wang yan, nan yan, wai yan
yan tin » yuan ting, yang jin
can es » man es, van es, can eu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan congo can es ((((yan tin) or (yang lin))) or (yang di)) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan congo can es ((((yan tin) OR (yang lin))) OR (yang di)) shang hai ;*.