Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh dong » anh dong, ha dong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
than tap » han tap, phan tap, than cap
toan tap » toan ban
dong va » dung va, dong ha, luong va

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 xanh - hanh dong va nhung cong san ((than tap) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh dong va nhung cong san ((than tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh dong va nhung cong san ((than tap) OR (toan tap))*.