Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
thu sac » thu sach, thu san, thu xac
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
tang ma » mang may, tang van
tang ha » lang ha, trung ha, tang van
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky ((tang ha) or (tang ma)) noi. hieu vu cham ((xuc ban) OR (cuc ban)) thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((tang ha) OR (tang ma)) noi. hieu vu cham ((xuc ban) OR (cuc ban)) thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky ((tang ha) or (tang ma)) noi. hieu vu cham ((xuc ban) OR (cuc ban)) thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((tang ha) or (tang ma)) noi. hieu vu cham ((xuc ban) OR (cuc ban)) thanh ve cua tre*.