Perhaps you should try some spelling variations:
trong quan » thong quan, tong quan, thong quang
thiet tach » chiet tach, thien hach, thuat tach
hoc thiet » hoc thieu, hoc thuyet, hoc hien
nhan dang » nhan dan, phan dang, tran dang
luan dung » lan dung, luan dong, luan hung
quan toan » quang toan, quan doan, xuan toan
luan ung » luan hung, luon ung, luan chung
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 ((luan dung) or (luan ung)) trong quan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - nhan dang ((luan dung) OR (luan ung)) trong quan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - nhan dang ((luan dung) or (luan ung)) trong quan toan ban*.