Perhaps you should try some spelling variations:
cao tren » ca tren, cau tren, cao thien
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
va hanh » van hanh, va thanh, va danh
co tren » cu tren, do tren, ca tren
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang xa hoi. hieu ((ve cam) OR (ve cac)) tuc va hanh tai ((cao tren) OR (co tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty xang xa hoi. hieu ((ve cam) or (ve cac)) tuc va hanh tai ((cao tren) OR (co tren))~".
• Adding a wildcard symbol may retrieve word variants: te sach ty xang xa hoi. hieu ((ve cam) or (ve cac)) tuc va hanh tai ((cao tren) OR (co tren))*.