Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
quang va » quang van, quan va, quang ma
va trong » va truong, va thong, va tuong
cong san » cong tac
san quan » van quan, ban quan, dan quan
quan tap » quan tai, quan lap, quan tam

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 - nhanh quang va trong cong san quan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - nhanh quang va trong cong san quan tap*.