Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
hanh lai » hanh lam, hanh tai, thanh lap
sang tao » hang tai
cham duc » pham duc, cham soc, pham duy
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
lai cuu » lai cua, lai chau, lai cuoc
va hanh » van hanh, va thanh, va danh
hieu vu » hieu va, hieu su, dieu vu
tao hoi » tao khoi, tao boi, tay hoi
ty sang » ty xang, ty hang, duy sang
cuu tre » cua tre, cau tren, cau treo

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) or (thu sach)) ty sang tao hoi. ((hieu vu) or (hieu ve)) cham duc va hanh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty sang tao hoi. ((hieu vu) OR (hieu ve)) cham duc va hanh lai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty sang tao hoi. ((hieu vu) or (hieu ve)) cham duc va hanh lai cuu tre*.