Perhaps you should try some spelling variations:
nghiep luan » nghiep vua
chuc nganh » chuc nang, hoc nganh, cac nganh
luan cong » luat cong, luong cong, luan chung
cong chuc » cong thuc, cong cu, cong cua
sach hoc » cach hoc, sach hoi, mach hoc
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, su sach, te sach
va nhan » van nhan, ca nhan, va phan

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, nghiep luan cong chuc nganh ((khoa hoc) OR (hoa hoc)) xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghiep luan cong chuc nganh ((khoa hoc) OR (hoa hoc)) xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghiep luan cong chuc nganh ((khoa hoc) OR (hoa hoc)) xa hoi va nhan dan*.