Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
phan xuong » phan cong
xuong cong » luong cong, duong cong, cuong cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung phan » dung nhan, dung luan, dung ha
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan lap » toan tap, toan lao, thanh lap

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 - hanh dung phan xuong cong tan toan lap~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh dung phan xuong cong tan toan lap*.