Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dinh lam » dinh van, tinh lao
danh lai » danh sai, gianh lai, hanh lam
cam duc » cam xuc, cao duc, pham duc
tu sach » thu sach, su sach, te sach
lang ha » long ha
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao

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 y ((nang xa) or (lang ha)) hoi. hieu va cam duc va ((danh lai) OR (dinh lam)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (lang ha)) hoi. hieu va cam duc va ((danh lai) OR (dinh lam)) cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang xa) or (lang ha)) hoi. hieu va cam duc va ((danh lai) OR (dinh lam)) cua viet*".