Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
hanh va » hang va, hanh vi
duc van » duc va, duc tan, duc manh
sach ty » sach y, sach thu, xach tay
cam duc » cam xuc, cao duc, pham duc
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: co ((sach ty) OR (sach tu)) nang xa hoi. lieu va cam duc van ((hanh vai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co ((sach ty) OR (sach tu)) nang xa hoi. lieu va cam duc van ((hanh vai) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co ((sach ty) OR (sach tu)) nang xa hoi. lieu va cam duc van ((hanh vai) or (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: co ((sach ty) OR (sach tu)) nang xa hoi. lieu va cam duc van ((hanh vai) or (hanh va)) cua tre*.