Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 hang) or (hang hang)) cua nhung cong tac ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh hang) OR (hang hang)) cua nhung cong tac ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh hang) or (hang hang)) cua nhung cong tac ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh hang) or (hang hang)) cua nhung cong tac ((toan cau) OR (toan cao))*.