Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thien hach » thien thanh, hien hanh
cua thuong » cua truong, cua phuong, ca thuong
hien sach » dien sach, kien sach, chieu sach
lanh manh » lanh tranh, lan anh, anh anh
van manh » van minh, van anh, van hanh
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: hoc ((hien sach) or (thien hach)) - ((lanh manh) or (van manh)) cua thuong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (thien hach)) - ((lanh manh) OR (van manh)) cua thuong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) or (thien hach)) - ((lanh manh) or (van manh)) cua thuong cong tac toan cao*.