Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hanh trong » hanh trang, anh trong, hinh trong
hoc thieu » toc thieu, hoc hien
ban thanh » ban hanh, ban hang
thanh bac » nhanh bac, thanh bai, thanh san
cong ban » cong bang, cong san, cong tan
cua van » cua ban, cua dan, cua can

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 - hanh trong ((cua van) or (cua vat)) cong ban thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - hanh trong ((cua van) OR (cua vat)) cong ban thanh bac.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - hanh trong ((cua van) or (cua vat)) cong ban thanh bac*.