Perhaps you should try some spelling variations:
tranh hanh » tranh hang, trinh hanh, tran hanh
hanh nhung » anh nhung, canh nhung, doanh nhung
nhung cong » dung cong, thong cong, hang cong
chu tach » chu thich, chu thanh, chuc hach
chu tich » chu thich, thu tich, co tich
cong san » cong tac
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu tach) or (chu tich)) - canh tranh hanh nhung cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu tach) OR (chu tich)) - canh tranh hanh nhung cong san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chu tach) or (chu tich)) - canh tranh hanh nhung cong san ((toan cao) or (toan ban))*.