Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
cham tuc » nham thuc, pham thuc, tham thuc
hieu va » lieu va, hieu qua
cua cua » cua chua, ca cua, qua cua
day cua » dai cua
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
hieu vu » hieu ve, hieu su, dieu vu
sach v » sach va, sach y, sach 2
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa
va day » va dao, va dau, va dap
v nang » va nang, vu nang, van nang

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 v nang ma hoi. ((hieu vu) or (hieu va)) cham tuc va day cua cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang ma hoi. ((hieu vu) OR (hieu va)) cham tuc va day cua cua viet*.