Perhaps you should try some spelling variations:
nphung cong » nhung cong, nhung cang, nhung chong
khanh luan » khanh thuan, doanh luan, hang luan
phung cong » nhung cong, phong cong, nhung chong
chi danh » chi dan, chi anh, chi dinh
toan ban » van ban
doi chi » doi khi
ty toan » ly toan, tap toan, huy toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - khanh luan van ((phung cong) or (nphung cong)) ty toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - khanh luan van ((phung cong) OR (nphung cong)) ty toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - khanh luan van ((phung cong) or (nphung cong)) ty toan ban*.