Perhaps you should try some spelling variations:
last first » act first, must first
liang tan » liang dan, wing tan
liang sun » liang dan, wing sun
first ceo » first cfo, first cell, first cut
ceo zhang » hao zhang, yeo chang
dong di » dong sin
la last » a last, la liste, als last
zhang c » zhang _, chang c, zhang i

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((liang tan) or (liang sun))) or (dong di)) et la last first ceo zhang c ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((liang tan) OR (liang sun))) OR (dong di)) et la last first ceo zhang c ;*.