Perhaps you should try some spelling variations:
thanh tung » thanh cong
quang cong » quang cuong, quang dong, quang hoang
cao quang » cao quan, cai quang, dao quang
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, mot chieu
tung cao » nung cao, truong cao, trung cap
phan cac » nhan cach, phan dau, phan lap

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

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