Perhaps you should try some spelling variations:
sach ky » sac ky, sach y, sach ty
tinh ve » trinh ve, tinh ven, dinh ve
va tinh » may tinh
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
mang xa » lang xa, mang may, dang xay
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
ve cua » le cua, de cua, te cua

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 ky) or (cac ky)) ((mang xa) or (nang x)) hoi. hieu va cam tuc va tinh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (cac ky)) ((mang xa) OR (nang x)) hoi. hieu va cam tuc va tinh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (cac ky)) ((mang xa) or (nang x)) hoi. hieu va cam tuc va tinh ve cua tre*.