Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
canh doanh » chinh doanh, doanh doanh, kinh doanh
dien sach » dien anh
cua nhung » va nhung
tuong dan » huong dan, tung dan, truong dai
xuong dan » huong dan, xuong san, nguong dan
doi dien » duoc dien, dong dien, co dien
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi dien sach - ((canh doanh) or (hanh doanh)) cua nhung ((tuong dan) OR (xuong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi dien sach - ((canh doanh) OR (hanh doanh)) cua nhung ((tuong dan) OR (xuong dan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi dien sach - ((canh doanh) or (hanh doanh)) cua nhung ((tuong dan) OR (xuong dan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: doi dien sach - ((canh doanh) or (hanh doanh)) cua nhung ((tuong dan) OR (xuong dan)) toan cao*.