Perhaps you should try some spelling variations:
phuong luong » thuong luong, phuong duong, phuong dung
luan phuong » lan phuong, quang phuong, doan phuong
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
doc hieu » toc thieu, hoc hien
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc thieu)) tinh - hanh dung luan phuong luong ((dan than) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) tinh - hanh dung luan phuong luong ((dan than) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) tinh - hanh dung luan phuong luong ((dan than) or (dan chan)) cau*.