Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tinh bang » tinh sang, tinh lang, tinh quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
anh tong » anh trong, anh thong, anh dong
anh nang » ganh nang, anh bang, anh dang
cong san » cong tac
san toan » van toan, dan toan, manh 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: hoc hieu manh - ((((anh tong) or (tinh bang))) or (anh nang)) cua nhung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((((anh tong) OR (tinh bang))) OR (anh nang)) cua nhung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((((anh tong) or (tinh bang))) or (anh nang)) cua nhung cong san toan ban*.