Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong cong » cong dong, trong cong, dung cong
cong vang » cong lang, cong quang, cong ngang
hoc hieu » hoc thieu, hoc hien, doc hieu
doan cap » doanh cao, dan ca, doan va
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: hoc hieu manh - ((minh hoang) or (hanh trinh)) cua cong cong vang ((doan cap) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((minh hoang) OR (hanh trinh)) cua cong cong vang ((doan cap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((minh hoang) or (hanh trinh)) cua cong cong vang ((doan cap) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((minh hoang) or (hanh trinh)) cua cong cong vang ((doan cap) OR (toan cao))*.