Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu thi » sieu thi, hieu chi, hiep thi
thi cham » thi hai, toc cham, thi ha
van chua » va chua, van chia, van cua
cong hoa » dong hoa, dong hoc, hang hoa
cham xuc » cam xuc, chat xuc, cham soc
van chu » van chi, van phu, van cau
xuc ban » duc ban, cuc ban, quoc ban
so sach » bo sach, co sach, hoc sach
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky cong » ke cong, ly cong, khu cong
so sanh » do sanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (so sanh)) ky cong hoa hoi. hieu thi cham xuc ban thanh ((van chua) or (van chu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ky cong hoa hoi. hieu thi cham xuc ban thanh ((van chua) OR (van chu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (so sanh)) ky cong hoa hoi. hieu thi cham xuc ban thanh ((van chua) or (van chu)) tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (so sanh)) ky cong hoa hoi. hieu thi cham xuc ban thanh ((van chua) or (van chu)) tre*.