Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sach y, sach ty, sach kem
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di cua

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 (sac ky)) ((nang x) or (tang ma)) hoi. hieu ve cham xuc va dan vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) ((nang x) OR (tang ma)) hoi. hieu ve cham xuc va dan vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sac ky)) ((nang x) or (tang ma)) hoi. hieu ve cham xuc va dan vi cua tre*.