Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
quang cong » quang cuong, quang dong, quang hoang
dat quang » dau quang, chat quang, dang quang
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
dung dat » dung va, dung tai
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (toc thieu)) tinh - thanh dung dat quang cong luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (toc thieu)) tinh - thanh dung dat quang cong luan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (toc thieu)) tinh - thanh dung dat quang cong luan phan tu*.