Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
tuc van » thuc van, truc van, tuc va
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu van
tang ma » mang may, tang van
sanh y » sinh y, hanh y, sach y
ma hoi » mai hoi, xa hoi, ma hoa
anh y » hanh y, anh d, anh _

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sanh y) OR (anh y)) tang ma hoi. ((hieu ve) or (hieu va)) cam tuc van hanh lai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sanh y) OR (anh y)) tang ma hoi. ((hieu ve) OR (hieu va)) cam tuc van hanh lai cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sanh y) OR (anh y)) tang ma hoi. ((hieu ve) or (hieu va)) cam tuc van hanh lai cua viet*".