Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
luc thanh » duc thanh, luu thanh, tuc thanh
thanh hoa » thanh pho
hoc doanh » hoa doanh, hoc danh, hoc dan
thu sach » tu sach, thuat sach, thuoc sach
sach hoi » sach doi, sach moi, cach thoi
thu dong » thuy dong, tu dong, thu cong
dong luc » nang luc
nhan dan » phan dau, gian dan, nhan tai
hoi tap » hoi dap, hoc tap, hoi tai

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 hoi tap, nghien thu dong luc thanh hoa ((hoc xa) or (hoc ma)) hoc doanh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoi tap, nghien thu dong luc thanh hoa ((hoc xa) OR (hoc ma)) hoc doanh nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu sach hoi tap, nghien thu dong luc thanh hoa ((hoc xa) or (hoc ma)) hoc doanh nhan dan*.