Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
doanh thu » doanh tai
cau tren » cu tren, dau tren, ca tren
xa thanh » va thanh, ha thanh, ta thanh
sanh thu » sach thu, san thu, sinh thuc
vu cham » va cham, vu kham, tu cham
tai cau » tai cac, tai cao
hang xa » hoang xa, hang va, hang ca
ve cham » va cham, ve chat, ve chim

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sanh thu) OR (doanh thu)) hang xa hoi. hieu ((ve cham) or (vu cham)) tuc xa thanh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sanh thu) OR (doanh thu)) hang xa hoi. hieu ((ve cham) OR (vu cham)) tuc xa thanh tai cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sanh thu) OR (doanh thu)) hang xa hoi. hieu ((ve cham) or (vu cham)) tuc xa thanh tai cau tren".
• Adding a wildcard symbol may retrieve word variants: so ((sanh thu) OR (doanh thu)) hang xa hoi. hieu ((ve cham) or (vu cham)) tuc xa thanh tai cau tren*.