Perhaps you should try some spelling variations:
doanh doanh » doanh hoan, doanh thanh, dong doanh
phap sinh » phau sinh, phai sinh
phap tinh » phap tieng, phap tang, tap tinh
luan hang » luan nang, luan han, luan hung
hang nong » thang long, han tong
nong tan » cong tan, nong dan, nong san
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((phap sinh) OR (phap tinh)) - ((doanh doanh) or (toan doanh)) luan hang nong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phap sinh) OR (phap tinh)) - ((doanh doanh) OR (toan doanh)) luan hang nong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((phap sinh) OR (phap tinh)) - ((doanh doanh) or (toan doanh)) luan hang nong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((phap sinh) OR (phap tinh)) - ((doanh doanh) or (toan doanh)) luan hang nong tan toan cao*.