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

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 - ((anh dong) OR (anh son)) va nhung cong san ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((anh dong) OR (anh son)) 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 - ((anh dong) OR (anh son)) va nhung cong san ((than tap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((anh dong) OR (anh son)) va nhung cong san ((than tap) or (toan tap))*.