Perhaps you should try some spelling variations:
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
canh xa » canh va, canh tac, canh tay
cao tuc » dao tuc, cao duc, cao suc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, tuc xa
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) OR (sach ty)) canh xa hoi. lieu va cao tuc va hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach ty)) canh xa hoi. lieu va cao tuc va hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sach ty)) canh xa hoi. lieu va cao tuc va hanh vi cuu tre*.