Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
thien van » thi van
chat tre » chat tai, cho tre, choi tre
van chat » cao chat
chat duc » chat xuc, chat doc, chet duoc
va kinh » va tinh, qua kinh
te sach » toc sach
va dinh » van dinh, va tinh, vu dinh
tang xa » trang xa, tang ma, lang xa
y tang » ky tang, 6 tang, 7 tang

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 y tang xa hoi. thien van chat duc ((va dinh) or (va kinh)) lam ((chat tre) OR (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang xa hoi. thien van chat duc ((va dinh) OR (va kinh)) lam ((chat tre) OR (chay tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y tang xa hoi. thien van chat duc ((va dinh) or (va kinh)) lam ((chat tre) OR (chay tren))*".