Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
dang cong » dung cong
khao cuu » cham cuu, chao chu, kho cua
dai dang » da dang, dai nang, hai dang
cong tac » cong ty
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: khao cuu tinh - hanh truong dai dang cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: khao cuu tinh - hanh truong dai dang cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: khao cuu tinh - hanh truong dai dang cong tac ((toan cau) or (toan cao))*.