Perhaps you should try some spelling variations:
dinh thai » sinh thai, tinh thai, hinh thai
dinh thi » dinh tri
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
cham lo » cham o, cam lo, cham soc
tu cham » toc cham, thi cham
hieu tu » chieu tu, hieu tuc, hien tu
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
cua tre » cua te, cuu tre, cua triet
lo va » lo van, lao va, ly va

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 ((nang ma) or (sang ma)) hoa. hieu tu cham lo va ((dinh thai) or (dinh thi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang ma) OR (sang ma)) hoa. hieu tu cham lo va ((dinh thai) OR (dinh thi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang ma) or (sang ma)) hoa. hieu tu cham lo va ((dinh thai) or (dinh thi)) cua tre*.