Perhaps you should try some spelling variations:
su sach » so sach, vu sach
tang ma » mang may, tang van
qua cam » qua cham, qua cac, qua ca
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 y ((nang x) or (tang ma)) hoi. hieu qua cam xuc va danh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang x) OR (tang ma)) hoi. hieu qua cam xuc va danh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang x) or (tang ma)) hoi. hieu qua cam xuc va danh vi ((cua tre) or (cuu tre))*.