Perhaps you should try some spelling variations:
nhan dien » nhan vien, nhan dieu, nhan dan
thu sach » tu sach, thuat sach, thuoc sach
dien cua » dieu cua, dien cuc, dien cu
sach lo » sach dao, sach doi, sach hoi
lo nang » ho nang, ly nang, loai nang
nang xa » nang x, lang xa, nang ma
va nhan » van nhan, ca nhan, va phan
ve cao » va cao, ve bao, ve co
ve cac » va cac, vien cac
cua cu » cua chu, cua cau, cua su

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 lo nang xa hoi. hieu ((ve cao) or (ve cac)) duc va nhan dien cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach lo nang xa hoi. hieu ((ve cao) OR (ve cac)) duc va nhan dien cua cu.
• Adding a wildcard symbol may retrieve word variants: thu sach lo nang xa hoi. hieu ((ve cao) or (ve cac)) duc va nhan dien cua cu*.