Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
dong sink » dong sin, dong bin, dong ping
gain road » main road, main roads, gain role
road than » road tax, broader than
than hong » tan hong, thang long, than one
hua gain » heat gain, run gain, hua ban
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: ((dong yang) or (dong sink)) ya hua gain road than hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong sink)) ya hua gain road than hong yu ;*.