Perhaps you should try some spelling variations:
cua viet » ca viet, cua vat, cua dieu
tu sach » thu sach, su sach, tu cach
hanh va » hang va, hanh vi
te sach » toc sach
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa

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) or (te sach)) ty xang xa hoi. hieu ve cam tuc va hanh va ((cua viet) OR (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty xang xa hoi. hieu ve cam tuc va hanh va ((cua viet) OR (hoa viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ty xang xa hoi. hieu ve cam tuc va hanh va ((cua viet) OR (hoa viet))*".