Perhaps you should try some spelling variations:
than china » tuan china, wuhan china, can china
ong cheng » hong cheng, zong cheng, ong chong
han china » hang china, can china, dan china
yan wang » yuan wang, yang yang, qian wang
lang dr » lange der
dr hong » dr ong, dr wong, dr huang
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (ong cheng)) ((than china) OR (han china)) loren lang dr hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (ong cheng)) ((than china) OR (han china)) loren lang dr hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (ong cheng)) ((than china) OR (han china)) loren lang dr hong yu ;*".