Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
chi sach » chieu sach, co sach, moi sach
manh cua » doanh cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 ((chi sach) or (chinh sach)) - lanh manh cua thong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chinh sach)) - lanh manh cua thong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chinh sach)) - lanh manh cua thong cong tac toan cao*.