Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
lang toan » dang toan, lang thang, lang thanh
dang tran » dang thanh, quang tran, hoang tran
hoc hieu » hoc thieu, hoc hien, doc hieu
tranh va » tranh van, trang va, trinh va

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 - canh tranh va nhung cong ((lang toan) or (dang tran)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh tranh va nhung cong ((lang toan) OR (dang tran)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh va nhung cong ((lang toan) or (dang tran)) ban*.