Perhaps you should try some spelling variations:
dong hoang » hong hong
yang yang » wang yang, wang yan
hua rein » hua ren, hua wei, a rein
ins mine » zinc mine, zine mine, ins main
ins kino » im kino, und kino, als kino
cong sau » cong shu, wong sau, cong sun
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang yang) or (dong hoang))) or (dong sin)) ya hua rein ((ins mine) or (ins kino)) cong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yang) OR (dong hoang))) OR (dong sin)) ya hua rein ((ins mine) OR (ins kino)) cong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang yang) or (dong hoang))) or (dong sin)) ya hua rein ((ins mine) or (ins kino)) cong sau ;*.