Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu quang - thanh trung cua ((nhung cong) or (dang cong)) dan ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - thanh trung cua ((nhung cong) OR (dang cong)) dan ((phan cac) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - thanh trung cua ((nhung cong) or (dang cong)) dan ((phan cac) or (phan lap))*.