Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, hieu lang
thanh chau » thanh cha, thanh cham, thanh chu
ban thanh » ban hanh, ban hang
qua dung » quang dung, su dung, qua song
cua dang » cua cong, cua ban
song ban » song van, dong ban, hong ban

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)) - thanh trung ((qua dung) or (cua dang)) song ban thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu quang)) - thanh trung ((qua dung) OR (cua dang)) song ban thanh chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (thieu quang)) - thanh trung ((qua dung) or (cua dang)) song ban thanh chau*.