Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
nghi thuc » nghe thuc
thuc cong » thuoc cong, thu cong, chuc cong
chung hoc » trung hoc, dung hoc, phung ho
hoi doanh » hoa doanh, voi doanh, doi doanh
sach hoi » sach doi, sach moi, cach thoi
co nhanh » co thanh, co hanh, co phanh
hung hoa » hang hoa, ung hoa, trung hoa
phan van » pham van, thanh van, luan van
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
cong co » dong co, cong cu, cong so

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoi tap, nghi thuc cong co nhanh ((chung hoc) OR (hung hoa)) xa hoi doanh phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoi tap, nghi thuc cong co nhanh ((chung hoc) OR (hung hoa)) xa hoi doanh phan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghi thuc cong co nhanh ((chung hoc) OR (hung hoa)) xa hoi doanh phan van*.