Perhaps you should try some spelling variations:
dang xay » dang van, van xay
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
va tham » van tham, va thanh, va thuat
va cham » va chat
xay hoi » xa hoi, tay hoi, cay phoi
cuu tre » cau tren, cau treo
sach o » sach lo, sac o, sach y
o dang » xo dang, do dang, so dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach o dang xay hoi. hieu ((va cham) or (va tham)) thuc va hanh va ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach o dang xay hoi. hieu ((va cham) OR (va tham)) thuc va hanh va ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach o dang xay hoi. hieu ((va cham) or (va tham)) thuc va hanh va ((cua tre) OR (cuu tre))*".