Perhaps you should try some spelling variations:
han phuong » van phuong, dan phuong, han thuong
phuong dan » phuong danh, phuong doan, huong dan
chu quang » chat quang, vu quang
hanh dung » thanh dung, anh dung, hanh dong
chu bang » thu bang, chuc nang, chu trang
luan han » luan hoan, luan phan, luan van
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu bang) OR (chu quang)) - hanh dung luan han phuong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu bang) OR (chu quang)) - hanh dung luan han phuong dan toan cao*".