Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
luc nganh » luc ngan, chuc nganh, luat nganh
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu tong, cuu long, luu dong
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
van phan » van phong, van thanh, luan phan
phan tao » nhan tao, phan tap, phan tan
tu sach » thu sach, su sach, te sach
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
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: tu sach hoc tap, nghien ((cuu dong) OR (cuu cong)) luc nganh cong hoc mai hoi van phan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien ((cuu dong) OR (cuu cong)) luc nganh cong hoc mai hoi van phan tao".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien ((cuu dong) OR (cuu cong)) luc nganh cong hoc mai hoi van phan tao*.