Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
thuong hoa » huong hoa, phuong hoa, thuong ho
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
dong hoc » dong co
dong luc » nang luc
nhan dan » phan dau, gian dan, nhan tai
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: thu sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh thuong hoa xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh thuong hoa xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh thuong hoa xa hoi va nhan dan*.