Perhaps you should try some spelling variations:
quan tre » quan tren, quan tri, quang tri
gap phoi » cap phoi, cay phoi, gap doi
ban quan » van quan
danh ban » doanh ban, danh bat, danh bac
gap phai » gop phan, dap phap, cap phoi
sach ky » sac ky, sach ty, sach kem
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
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: tu ((sach ky) or (sach y)) dang ((gap phoi) or (gap phai)). hieu qua cac xuc va danh ban quan tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) dang ((gap phoi) OR (gap phai)). hieu qua cac xuc va danh ban quan tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) dang ((gap phoi) or (gap phai)). hieu qua cac xuc va danh ban quan tre*.