Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
anh xay » manh xay, anh hay, nganh xay
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky ((anh xay) or (dang xay)) hoi. hieu ve cac xuc ban anh ((hoi cua) OR (hoi chuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((anh xay) OR (dang xay)) hoi. hieu ve cac xuc ban anh ((hoi cua) OR (hoi chuc)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky ((anh xay) or (dang xay)) hoi. hieu ve cac xuc ban anh ((hoi cua) OR (hoi chuc)) tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((anh xay) or (dang xay)) hoi. hieu ve cac xuc ban anh ((hoi cua) OR (hoi chuc)) tre*.