Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lai » hanh lam, hanh tai, thanh lap
vuc nang » vu nang, chuc nang, van nang
cuc nang » chuc nang, cuu nang, cua nang
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
qua cau » quan cau, qua cac, qua ca
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
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: su sach ((v nang) or (((vuc nang) OR (cuc nang)))) ma hoi. hieu qua cau truc va hanh lai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((v nang) OR (((vuc nang) OR (cuc nang)))) ma hoi. hieu qua cau truc va hanh lai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((v nang) or (((vuc nang) OR (cuc nang)))) ma hoi. hieu qua cau truc va hanh lai cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach ((v nang) or (((vuc nang) OR (cuc nang)))) ma hoi. hieu qua cau truc va hanh lai cua viet*.