Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
hoc nhanh » hoc nganh, hoc phan
thang hoc » thang nhoc, than hoc, thanh hoc
sach hoi » sach doi, sach moi, cach thoi
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
tu sach » thu sach, su sach, te sach
hoi tap » hoi dap, hoc tap, hoi tai
xua hai » qua hai, cua hai, xuan thai
xa hai » xa thai, xa hoi, xa dai

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 hoi tap, nghien cuu cong hoc nhanh thang hoc ((xa hai) OR (xua hai)) doanh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi tap, nghien cuu cong hoc nhanh thang hoc ((xa hai) OR (xua hai)) doanh nhan van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tap, nghien cuu cong hoc nhanh thang hoc ((xa hai) OR (xua hai)) doanh nhan van*.