Perhaps you should try some spelling variations:
linear state » linear system
chang money » than money, can money, chad money
liang tan » liang dan, liang sun
el linear » des linear, _ linear, a linear
wing tan » wing ian, hong tan, tin tan
money el » money all, money _, money a
hong yu » wong yue

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing tan) OR (liang tan)) chang money el linear state ((wang zhi) OR (hong yu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing tan) OR (liang tan)) chang money el linear state ((wang zhi) or (hong yu)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing tan) OR (liang tan)) chang money el linear state ((wang zhi) or (hong yu)) ;*.