Perhaps you should try some spelling variations:
ang making » hoang making, big making, change making
using seng » using self, using se, using semi
lanka p.w » lanka 9.1, lanka how, lanka ppp
lanka 3.1 » lanka 9.1, lanka 11.1, lankas 3.4
song seng » hong seung, dong sheng, hong sheng
wang » wing, wan, lang
yan » yang, ryan

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: wang yan ((lanka p.w) OR (lanka 3.1)) les ang making ((using seng) OR (song seng)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((lanka p.w) OR (lanka 3.1)) les ang making ((using seng) or (song seng)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((lanka p.w) OR (lanka 3.1)) les ang making ((using seng) or (song seng)) ;*.