Perhaps you should try some spelling variations:
waste going » waste doing, waste being, waste cooking
tran hoang » tran trang
yan hoang » tan hong, anh hoang, yan cong
his waste » fish waste, his master, bio waste
jin kyung » jin ying, han kyung
jin kang » jin chang, jing fang, jin ying
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan hoang) or (tran hoang)) his waste going ((jin kang) OR (jin kyung)) (saur or sur) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan hoang) OR (tran hoang)) his waste going ((jin kang) OR (jin kyung)) (saur OR sur) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan hoang) or (tran hoang)) his waste going ((jin kang) OR (jin kyung)) (saur or sur) ;*".