Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh manh » hanh mang, lanh manh, hoang manh
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
manh cua » doanh cua, ban cua
tan toan » tan tran, tap toan, van toan
toan ban » van 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 ((hieu nganh) or (chieu xanh)) - hanh manh cua ((hang cong) OR (bang cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (chieu xanh)) - hanh manh cua ((hang cong) OR (bang cong)) tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu nganh) or (chieu xanh)) - hanh manh cua ((hang cong) OR (bang cong)) tan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (chieu xanh)) - hanh manh cua ((hang cong) OR (bang cong)) tan toan ban*.