Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, theo sach
thanh tran » thanh trang, thanh toan, thanh tra
phung cong » nhung cong, phong cong, nhung chong
hieu cach » hieu cac, chieu sach, hieu ca
van phung » van phong, van hung, van chuong
tran van » luan van
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) OR (hieu cach)) - thanh tran van phung cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (hieu cach)) - thanh tran van phung cong san toan cau*".