Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thieu sang » chieu sang, thieu khang, hieu lang
thong cong » trong cong, tong cong, thong thong
hanh nhan » thanh nhan, anh nhan, hanh nha
cong danh » cuong danh, cong dan, cong thanh
danh nhan » doanh nhan, thanh nhan, benh nhan
hanh han » hanh phan, hanh san, anh han
va thong » va thuong, va phuong, he thong
nhan tai » hang tai, van tai, toan tai

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 sang) or (thieu quang)) - ((hanh han) or (hanh nhan)) va thong cong danh nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu quang)) - ((hanh han) OR (hanh nhan)) va thong cong danh nhan tai.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (thieu quang)) - ((hanh han) or (hanh nhan)) va thong cong danh nhan tai*.