Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
thuong hoa » huong hoa, phuong hoa, thuong ho
luc nganh » luc ngan, chuc nganh, luat nganh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
van nhan » van thanh, danh nhan, van khanh
van phan » van phong, van thanh, luan 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 luc nganh thuong hoa xa hoi ((van nhan) OR (van phan)) dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu dong luc nganh thuong hoa xa hoi ((van nhan) OR (van phan)) dan".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu dong luc nganh thuong hoa xa hoi ((van nhan) OR (van phan)) dan*.