Perhaps you should try some spelling variations:
phan luong » phan xuong, phan thuong, phan truong
luong cong » dung cong, trong cong, cong cong
hoc thieu » 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 bai » toan bai, tran bai, tap bai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc thieu)) tach - hanh dung phan luong cong tan bai tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) tach - hanh dung phan luong cong tan bai tap.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) tach - hanh dung phan luong cong tan bai tap*.