Perhaps you should try some spelling variations:
thong cua » thong quan, thong tu, huong cua
cheo cua » cho cua, chuoi cua, co cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
ho chua » ho chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chua) or (cheo cua)) xang - hanh ((thong cua) or (mang cua)) trong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chua) OR (cheo cua)) xang - hanh ((thong cua) OR (mang cua)) trong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chua) or (cheo cua)) xang - hanh ((thong cua) or (mang cua)) trong cong tac toan cau*.