Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
nhanh mang » nhanh lang, hanh mang, nhanh quang
cao thuong » cao truong, ca thuong, cho thuong
nhan dang » nhan dan, phan dang, tran dang
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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: theo chu sach - ((nhanh mang) or (nhan dang)) cao thuong cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((nhanh mang) OR (nhan dang)) cao thuong cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((nhanh mang) or (nhan dang)) cao thuong cong tan ((toan cau) or (toan cao))*.