Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hieu nganh » vien nganh, hiem ngan, hieu manh
toc hieu » toc thieu, doc hieu, hoc thieu
manh cua » doanh cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu nganh - lanh ((manh cua) or (ban cua)) phuong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu nganh - lanh ((manh cua) OR (ban cua)) phuong cong tan toan cau*.