Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
cong tac » cong ty
toan cao » toan ban
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh manh cua phuong cong tac ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh manh cua phuong cong tac ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh manh cua phuong cong tac ((toan cao) OR (toan tap))*.