Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
luc nganh » luc ngan, chuc nganh, luat nganh
thuong ho » tuong ho, truong hoc, thuong chi
sach hoi » sach doi, sach moi, cach thoi
sach bai » sach dao, cac bai, sach xa
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
bai hoi » bai choi, bai hoc, dai hoi
hoi van » hoi va, hoi dan, hai van
ho bai » hoc bai, hoi bai, cho bai

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 hoi) or (sach bai)) tap, nghien cuu dong luc nganh thuong ho bai hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (sach bai)) tap, nghien cuu dong luc nganh thuong ho bai hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach bai)) tap, nghien cuu dong luc nganh thuong ho bai hoi van nhan dan*.