Perhaps you should try some spelling variations:
cac tren » cau tren, rac tren, tac tren
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, ve chim
ca tren » cau tren, cu tren, la tren
ang xa » lang xa, mang xa, dang xay
ty ang » ty xang, ty hang, ty anh

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