Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cham tuc » pham thuc, tham thuc, cham soc
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly hang » ly quang
hieu ve » hieu va, hieu van
xa hanh » xa thanh, xa khanh, va hanh
cuu tre » cua tre, cau tren, cau treo
hang x » nang x, hoang xa, chang xu
vi cuu » vi luu, vinh cuu
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: tu sach ly hang x hoi. hieu ve ((cham tuc) OR (nham thuc)) xa hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly hang x hoi. hieu ve ((cham tuc) OR (nham thuc)) xa hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ly hang x hoi. hieu ve ((cham tuc) OR (nham thuc)) xa hanh vi cuu tre*.