Perhaps you should try some spelling variations:
chiet tach » chieu sach
duong cong » dung cong, luong cong, duong trong
chu manh » ho manh, chu han, chu van
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chiet tach) or (chu manh)) - hanh ((hang cua) or (mang cua)) duong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chu manh)) - hanh ((hang cua) OR (mang cua)) duong cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chu manh)) - hanh ((hang cua) or (mang cua)) duong cong tac toan tap*.