Perhaps you should try some spelling variations:
phan chong » phan cong, phan hong, phap chong
sach dao » lanh dao
cuu cong » thu cong, cac cong
hoc phan » hoc dan, hoc pho
chong co » cong co, thong co, khong co
su sach » so sach, vu sach
xua hoi » xa hoi, cua hoi, xua hai
nhan va » nhan tai, nhan dan, nhan tao
co xua » co cua, bo xua, cao xuan
hoi ca » hoi cua, hoi cac, hoi cau

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 dao tao, nghien ((cuu cong) OR (cua cong)) hoc phan chong co xua hoi ca nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach dao tao, nghien ((cuu cong) OR (cua cong)) hoc phan chong co xua hoi ca nhan va".
• Adding a wildcard symbol may retrieve word variants: su sach dao tao, nghien ((cuu cong) OR (cua cong)) hoc phan chong co xua hoi ca nhan va*.