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
tranh cua » doanh cua
manh cua » doanh cua, ban cua
toan ban » van ban
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: hoc thiet nang - hanh ((tranh cua) OR (manh cua)) thong cong ty toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet nang - hanh ((tranh cua) OR (manh cua)) thong cong ty toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet nang - hanh ((tranh cua) OR (manh cua)) thong cong ty toan ban*.