Perhaps you should try some spelling variations:
nganh tuong » nganh cong, manh tuong, nganh nong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
sach hoi » sach doi, sach moi, cach thoi
tuong ho » tong hop
van nhan » van phan, danh nhan, van khanh
su sach » so sach, vu sach
mot hoc » mon hoc, mo hoc, mot goc
tap dai » tao dai, tap bai, tap doan
ho tap » hoc tap, ho hap, ho tai

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 hoi dap, nghien cua mot hoc nganh tuong ho tap dai ((van nhan) or (van thanh)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoi dap, nghien cua mot hoc nganh tuong ho tap dai ((van nhan) OR (van thanh)) van.
• Adding a wildcard symbol may retrieve word variants: su sach hoi dap, nghien cua mot hoc nganh tuong ho tap dai ((van nhan) or (van thanh)) van*.