Perhaps you should try some spelling variations:
cuu tre » cua tre, cau tren, cau treo
dua ban » dia ban, cua ban, qua ban
cuc ban » cua ban, cac ban, cuu ban
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
sac ky » cac ky, sai ky
vi cuu » vi luu, vinh cuu
te sac » te sach, te cac, te san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((sang ma) OR (nang ma)) hoi. hieu ve chat ((cuc ban) OR (dua ban)) hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((sang ma) OR (nang ma)) hoi. hieu ve chat ((cuc ban) or (dua ban)) hanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((sang ma) OR (nang ma)) hoi. hieu ve chat ((cuc ban) or (dua ban)) hanh vi cuu tre*.