Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dau tieng » dau tien, cau tieng, day tieng
thu sach » tu sach, thuat sach, thuoc sach
thanh vi » hanh vi, thanh va, thanh ve
dau tren » dau tien, dat tren, dau trong
mang xa » lang xa, mang may, dang xay
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
soc van » hoc van, oc van, sac van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((mang xa) or (nang ma)) hoi. lieu va cham soc van thanh vi ((dau tren) OR (dau tieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((mang xa) OR (nang ma)) hoi. lieu va cham soc van thanh vi ((dau tren) OR (dau tieng))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y ((mang xa) or (nang ma)) hoi. lieu va cham soc van thanh vi ((dau tren) OR (dau tieng))*".