Perhaps you should try some spelling variations:
when should » where should, what should, why should
should dan » should earn, should a, should do
wang kang » wang yang, wang liang, wang yan
kang when » kang chen, kang han
dan yang » daun yang, tan yang, wang yang
lin dang » bin dann, ein dank, lin ling
le dang » le sang, le duong
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang kang when should dan yang ((lin dang) or (le dang)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang kang when should dan yang ((lin dang) OR (le dang)) hai ;.
• Adding a wildcard symbol may retrieve word variants: wang kang when should dan yang ((lin dang) or (le dang)) hai ;*.