Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
hanh va » hang va, hanh vi
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
dang ma » dang mau, dang mam, dang mat
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) OR (sac ky)) dang ma hoa. hieu ve cam xuc va ((hanh vai) or (hanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) dang ma hoa. hieu ve cam xuc va ((hanh vai) OR (hanh va)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sac ky)) dang ma hoa. hieu ve cam xuc va ((hanh vai) or (hanh va)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sac ky)) dang ma hoa. hieu ve cam xuc va ((hanh vai) or (hanh va)) cuu tre*.