Perhaps you should try some spelling variations:
thu sac » thu sach, thu san, thu xac
nang ha » nang hai, nang han, nang hoa
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc ban » duc ban, cuc ban, quoc ban
hanh ve » hanh vi, hanh va, hanh kem
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 nang ha noi. hieu vu cham ((xuc ban) or (duc tan)) hanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang ha noi. hieu vu cham ((xuc ban) OR (duc tan)) hanh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang ha noi. hieu vu cham ((xuc ban) or (duc tan)) hanh ve cua tre*.