Perhaps you should try some spelling variations:
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
va thanh » gia thanh, ban thanh, va tinh
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
lai cua » dai cua, hai cua, thai cua
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc ((sach ky) OR (sac ky)) sang tao khoi. hieu ve pham duc va thanh ((lai cua) or (lai chau)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc ((sach ky) OR (sac ky)) sang tao khoi. hieu ve pham duc va thanh ((lai cua) OR (lai chau)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((sach ky) OR (sac ky)) sang tao khoi. hieu ve pham duc va thanh ((lai cua) or (lai chau)) te".
• Adding a wildcard symbol may retrieve word variants: thuoc ((sach ky) OR (sac ky)) sang tao khoi. hieu ve pham duc va thanh ((lai cua) or (lai chau)) te*.