Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
thanh lap » thanh san, phan lap, thanh hai
ban thanh » ban hanh, ban hang
cham luc » cham soc, nhan luc, cham cuu
su sach » so sach, vu sach
luc ban » duc ban, cuc ban, luc bat
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ty sang » ty hang, duy sang, thu sang
cua te » cua tu

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 ((ty sang) or (ty xang)) tao hoi. hieu ve cham luc ban thanh lap ((dung tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty sang) OR (ty xang)) tao hoi. hieu ve cham luc ban thanh lap ((dung tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ((ty sang) or (ty xang)) tao hoi. hieu ve cham luc ban thanh lap ((dung tren) or (cua te))*.