Perhaps you should try some spelling variations:
tinh dai » trinh dai, tinh da, tinh hai
sach ky » sach y, sach ty, sach kem
va tinh » may tinh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
nang xa » lang xa, nang ma, mang xa
va cam » va cham, va cac, va cao
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va

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