Perhaps you should try some spelling variations:
thuc xay » thuc day, tuc xay, thuat xay
hanh vai » hanh vi, hanh va, hanh tai
xay hanh » day nhanh, day thanh, xanh hanh
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
tu sach » thu sach, su sach, te sach
ty sang » ty xang, ty hang, duy sang
vai cua » dai cua, hai cua, lai cua
mai hoi » mai khoi, dai hoi, lai hoi
sach ty » sach y, sach tu, sach thu
cua te » cua tu
ma hoi » ma hoa, me hoi, va hoi

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 ty sang ((((ma hoi) OR (mai hoi))) or (xa hoi)). hieu van nam thuc xay hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty sang ((((ma hoi) OR (mai hoi))) OR (xa hoi)). hieu van nam thuc xay hanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty sang ((((ma hoi) OR (mai hoi))) or (xa hoi)). hieu van nam thuc xay hanh vai cua te*".