Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hop nhieu » hoc thieu, ho chieu, he nhieu
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
pnhan tai » pham tai, nhan tao, han tai
ho nhieu » ho chieu, he nhieu, hoc thieu
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
nhan tai » hang tai, van tai, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho nhieu) OR (hop nhieu)) tang - hanh tang cua nhung cong tac ((nhan tai) or (pnhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho nhieu) OR (hop nhieu)) tang - hanh tang cua nhung cong tac ((nhan tai) OR (pnhan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho nhieu) OR (hop nhieu)) tang - hanh tang cua nhung cong tac ((nhan tai) or (pnhan tai))".
• Adding a wildcard symbol may retrieve word variants: ((ho nhieu) OR (hop nhieu)) tang - hanh tang cua nhung cong tac ((nhan tai) or (pnhan tai))*.