Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
xang dau » hang dau
sach ky » sac ky, sach y, sach kem
tai cuu » tai cuc, tai buu, tai cua
va nang » van nang, da nang, cam nang
cau luc » cau truc, cau phuc
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
dau hoi » cau hoi, dai hoi, dan hoi
sach ty » sach y, sach tu, sach thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sach ty)) xang dau hoi. hieu ve ((cau luc) or (cam xuc)) va nang tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sach ty)) xang dau hoi. hieu ve ((cau luc) OR (cam xuc)) va nang tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sach ty)) xang dau hoi. hieu ve ((cau luc) or (cam xuc)) va nang tai cuu tre*.