Perhaps you should try some spelling variations:
truong quang » truong quan, luong quang, thong quang
trong quang » thong quang, trong quan, thong quan
dung phuong » dung thuong, bang phuong, dung chung
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doi chi, ho chieu, mot chieu
doc hieu » toc thieu, hoc thieu, hoc hien
dan chan » dan gian, dan ca, van chat
chan tap » han tap, phan tap, chan ta

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) sach - thanh ((trong quang) or (truong quang)) dung phuong dan chan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - thanh ((trong quang) OR (truong quang)) dung phuong dan chan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sach - thanh ((trong quang) or (truong quang)) dung phuong dan chan tap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sach - thanh ((trong quang) or (truong quang)) dung phuong dan chan tap*.