Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
trong quan » thong quan, tong quan, thong quang
hoc thiet » hoc thieu, hoc thuyet, hoc hien
nhan dang » nhan dan, phan dang
tran dang » tran quang, tran hoang, tranh hang
luan dung » lan dung, luan dong, luan hung
quan toan » quang toan, quan doan, xuan 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 tach - ((nhan dang) OR (tran dang)) luan dung trong quan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet tach - ((nhan dang) OR (tran dang)) luan dung trong quan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - ((nhan dang) OR (tran dang)) luan dung trong quan toan ban*.