Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
vai cuu » vai cua
van cam » van nam, van lam, van cau
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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 ty) OR (sach tu))) or (sac ky)) nang x hoi. hieu van cam xuc va thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ty) OR (sach tu))) OR (sac ky)) nang x hoi. hieu van cam xuc va thanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((((sach ty) OR (sach tu))) or (sac ky)) nang x hoi. hieu van cam xuc va thanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: su ((((sach ty) OR (sach tu))) or (sac ky)) nang x hoi. hieu van cam xuc va thanh vai cuu tre*.