Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
lang van » dang van, tang van, hoang van
cuu tre » cua tre, cau tren, cau treo
duc van » duc va, duc tan, duc manh
ve chat » va chat, van chat
ve cham » va cham, vu cham, ve chim
lang xa » lang ha, dang xay
sac ky » cac ky, sai ky
vi cuu » vi luu, vinh cuu
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((lang xa) or (lang van)) hoi. hieu ((ve cham) OR (ve chat)) duc van thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (lang van)) hoi. hieu ((ve cham) OR (ve chat)) duc van thanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) or (lang van)) hoi. hieu ((ve cham) OR (ve chat)) duc van thanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (lang van)) hoi. hieu ((ve cham) OR (ve chat)) duc van thanh vi cuu tre*.