Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong xuong » cong luong, cong huong, cong duong
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
xuong xa » duong xa, huong xa, xuong nau
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
so sach » so sanh, bo sach, co sach
hoi tap » hoi dap, hoc tap, hoi tai
hoi van » hoi va, hoi dan, hai van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hoi tap, nghien ((cuu mo) or (cua cong)) hoc nganh cong xuong xa hoi van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach hoi tap, nghien ((cuu mo) OR (cua cong)) hoc nganh cong xuong xa hoi van nhan van.
• Adding a wildcard symbol may retrieve word variants: so sach hoi tap, nghien ((cuu mo) or (cua cong)) hoc nganh cong xuong xa hoi van nhan van*.