Perhaps you should try some spelling variations:
thiet nang » nhiet nang, thien nang, thi nang
thong cong » trong cong, tong cong, thong thong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
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 thiet nang - hanh ((tranh cua) or (((manh cua) OR (doanh cua)))) thong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet nang - hanh ((tranh cua) OR (((manh cua) OR (doanh cua)))) thong cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet nang - hanh ((tranh cua) or (((manh cua) OR (doanh cua)))) thong cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet nang - hanh ((tranh cua) or (((manh cua) OR (doanh cua)))) thong cong tac toan ban*.