Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
bang cong » dang cong, bang song, hang cong
manh cua » ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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 thieu tinh - canh ((manh cua) or (doanh cua)) bang cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh ((manh cua) OR (doanh cua)) bang cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh ((manh cua) or (doanh cua)) bang cong tac toan ban*.