Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cua truong » cua trung, xuan truong, cac truong
hieu manh » hieu nganh, dieu hanh, hien hanh
cua trong » cua trung, qua trong, ca trong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: ho ((hieu manh) or (chieu xanh)) - canh tranh ((cua trong) OR (cua truong)) cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu xanh)) - canh tranh ((cua trong) OR (cua truong)) cong van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu xanh)) - canh tranh ((cua trong) OR (cua truong)) cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu xanh)) - canh tranh ((cua trong) OR (cua truong)) cong van toan cao*.