Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
xa thanh » va thanh, ha thanh, ta thanh
te sach » toc sach
ve chat » va chat, van chat
ve cham » va cham, vu cham, ve chim
lang ra » lang ha, lang xa, lang va
ky lang » ky nang, ky dang, ky tang
co sach » bo sach, cuon sach, hoc sach
cuu tre » cua tre, cau tren, cau treo
ra hai » tra hai, ta hai, va hai
di cuu » di cau, di cua, dinh cuu

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

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