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

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 ky cong ((hoa hoi) OR (hoa hoc)). 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 ky cong ((hoa hoi) OR (hoa hoc)). 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 ky cong ((hoa hoi) OR (hoa hoc)). hieu thi cham xuc ban thanh ((van chua) or (van chu)) tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky cong ((hoa hoi) OR (hoa hoc)). hieu thi cham xuc ban thanh ((van chua) or (van chu)) tre*.