Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
luong khoa » dung khoa
khoa nganh » khoi nganh, hoc nganh
nghien cu » nghien cuu, nghiep cua, nghiep cau
khong hoc » khung hoc, thong hoc, khong thuoc
thanh van » thanh san, thanh toan, thanh phan
sach hoc » cach hoc, mach hoc, sach duoc
sach hoi » sach doi, sach moi, cach thoi
cu luong » cat luong, huy luong, do luong
va thanh » gia thanh, ban thanh, va tinh
hoc xa » hoc ma

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 hoc) OR (sach hoi)) tap, nghien cu luong khoa nganh khong hoc xa hoi va thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach hoc) OR (sach hoi)) tap, nghien cu luong khoa nganh khong hoc xa hoi va thanh van".
• Adding a wildcard symbol may retrieve word variants: su ((sach hoc) OR (sach hoi)) tap, nghien cu luong khoa nganh khong hoc xa hoi va thanh van*.