Perhaps you should try some spelling variations:
thien van » thi van
thu sach » tu sach, thuat sach, thuoc sach
cay phoi » cap phoi, tay hoi, cay cho
anh thi » anh tho, dinh thi, dang thi
ky xanh » ky anh, ky hanh, cay xanh
thi cua » thai cua, thi cuc, tri cua
ky danh » ky anh, ky dang
hieu va » lieu va, hieu qua
duc ban » duc tan, duc van, dua ban
ban anh » ban hanh, ban banh, ban danh
cua te » cua tu

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 xanh) OR (ky danh)) cay phoi. ((hieu va) or (thien van)) pham duc ban anh thi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ky xanh) OR (ky danh)) cay phoi. ((hieu va) OR (thien van)) pham duc ban anh thi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((ky xanh) OR (ky danh)) cay phoi. ((hieu va) or (thien van)) pham duc ban anh thi cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ((ky xanh) OR (ky danh)) cay phoi. ((hieu va) or (thien van)) pham duc ban anh thi cua te*.