Perhaps you should try some spelling variations:
training course » training courses
training visit » training crisis, training asia, training vet
rural credits » rural credit, total credits
wong shiu » wong siu, cong shu, song shin
8 rural » a rural, 2 rural, 4 rural
yan 8 » yang 8, yan _, yan 4
wang » wing, wan, lang

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 8 rural credits ((training visit) OR (training course)) wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan 8 rural credits ((training visit) or (training course)) wong shiu ;*.