Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cau tre » cau tren, cau treo, cau tra
ve cam » ve cac, va cam, ve cai
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty lang xa hoi. hieu ((ve cam) or (((ve cham) or (vu cham)))) thuc va hanh vi cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. hieu ((ve cam) OR (((ve cham) OR (vu cham)))) thuc va hanh vi cau tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. hieu ((ve cam) or (((ve cham) or (vu cham)))) thuc va hanh vi cau tre*.