Perhaps you should try some spelling variations:
hoang manh » hoang minh, hoang anh, hoang xanh
lanh tranh » canh tranh, lan tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
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 cao » toan ban
toan tap » toan 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 xanh - ((hoang manh) or (lanh tranh)) cua nhung cong tac ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hoang manh) OR (lanh tranh)) cua nhung cong tac ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hoang manh) or (lanh tranh)) cua nhung cong tac ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hoang manh) or (lanh tranh)) cua nhung cong tac ((toan cao) OR (toan tap))*.