Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
xanh hanh » danh thanh, ban hanh, van hanh
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, van than
van tuan » van quan, van ban, anh tuan
vi bang » va bang, vi ban, vu bang

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 - xanh hanh vi bang cong ((((dan than) or (van tuan))) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - xanh hanh vi bang cong ((((dan than) OR (van tuan))) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - xanh hanh vi bang cong ((((dan than) or (van tuan))) or (manh toan)) cau*.