Perhaps you should try some spelling variations:
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cham, ve cac, va cam
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: tu ((sach y) or (sach ty)) ((nang xa) or (nang cao)) hoi. hieu ve cam duc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach ty)) ((nang xa) OR (nang cao)) hoi. hieu ve cam duc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach ty)) ((nang xa) or (nang cao)) hoi. hieu ve cam duc va hanh vi cuu tre*.