Perhaps you should try some spelling variations:
dong hoang » hong hong
dong jung » hong jong, dong ping, dong yang
hua irene » hua ren
irene yan » irene a, ren yan
tin shang » tin hong, bin zhang, jin chang
shang hai » shang kai, dang hai, chang ha
yan tin » yuan ting, yang jin, yang lin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong jung) or (dong hoang)) ya hua irene yan tin shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong jung) OR (dong hoang)) ya hua irene yan tin shang hai ;*.