Perhaps you should try some spelling variations:
pain paper » main papers, aim paper, pain chapter
dong pain » dong sin, dong bin, bone pain
paper iii » paper ii, paper i
iii wage » iii age, iii wege, iii usage
yang jun » yang jui, pang jun, yang jin
wage de » wage do, wage set, wage led
yang yi » yang jui
yang xi » yang jui
de mi » de ma, de mr, de ti

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong pain paper iii wage de mi ((((yang jun) or (yang yi))) or (((yang di) or (yang xi)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong pain paper iii wage de mi ((((yang jun) OR (yang yi))) OR (((yang di) OR (yang xi)))) ;*.