Perhaps you should try some spelling variations:
phuong luong » thuong luong, phuong duong, phuong dung
luan phuong » lan phuong, quang phuong, doan phuong
hanh dung » thanh dung, anh dung, hanh dong
luong dao » duong dao, truong dao, luong giao
doc hieu » toc thieu, hoc thieu
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 hien)) tinh - hanh dung luan phuong luong dao ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) tinh - hanh dung luan phuong luong dao ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (hoc hien)) tinh - hanh dung luan phuong luong dao ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) tinh - hanh dung luan phuong luong dao ((than cau) OR (phan cau))*.