Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
su sach » so sach, vu sach
xa hanh » xa thanh, xa khanh, va hanh
cao xuc » cam xuc, cao duc, cao suc
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
nang xa » lang xa, nang ma, mang xa
va cao » va cac, va co, va dao
xuc xa » tuc xa, buc 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: ((su sach) or (thu sach)) ky ((nang xa) OR (nang x)) hoi. hieu va cao xuc xa hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) ky ((nang xa) OR (nang x)) hoi. hieu va cao xuc xa hanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (thu sach)) ky ((nang xa) OR (nang x)) hoi. hieu va cao xuc xa hanh vi cuu tre*".