Perhaps you should try some spelling variations:
keong shu » cong shu, jeong su
yang 4.3 » lng 4.3, yang 47, yang y.c
hui tong » hui ping, hui yang, hui ying
yang yi » yang di, yang xi, yang jui
kan kin » kang kim, pang kin
kan min » han min, kian ming, kyaw min
ya hui » ya hua, yi hui, yang hui

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: ((yang 4.3) OR (yang yi))ng ya hui tong ((kan kin) OR (kan min)) keong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang 4.3) or (yang yi))ng ya hui tong ((kan kin) OR (kan min)) keong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang 4.3) or (yang yi))ng ya hui tong ((kan kin) OR (kan min)) keong shu ;*.