Perhaps you should try some spelling variations:
best first » best fit, best firms, last first
liang tan » liang dan, wing tan
liang sun » liang dan, wing sun
ii anhang » vii anhang, 4 anhang, 2 anhang
first ii » first aid, first big, first iso
anhang c » anhang 1, anhang a, anhang i
dong di » dong sin
et a » et al, et la, e a

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 a best first ii anhang c ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((liang tan) OR (liang sun))) OR (dong di)) et a best first ii anhang c ;*.