Perhaps you should try some spelling variations:
chang robert » chang roberto, change robert, zhang robert
cation chang » cation exchange, carbon change, chin chang
new cation » new nation, new canton, new carbon
yang yang » wang yang, wang yan
tan ying » fan ying, ran ying, tan hong
tan yong » tan hong, tan kong, wang yong
tan yang » dan yang, tao yang, wang yang
time new » times new, time now, some new
robert b » robert _, robert e, robert j

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tan ying) OR (tan yong))) or (((tan yang) or (yang yang)))) 3 time new cation chang robert b ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tan ying) OR (tan yong))) OR (((tan yang) OR (yang yang)))) 3 time new cation chang robert b ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tan ying) OR (tan yong))) or (((tan yang) or (yang yang)))) 3 time new cation chang robert b ;*".