Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
thanh cha » thanh ha, thanh nha, thanh phan
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cong van » cong san, song van, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - hanh manh cua nhung ((cong van) or (cong vang)) thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - hanh manh cua nhung ((cong van) OR (cong vang)) thanh cha.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - hanh manh cua nhung ((cong van) or (cong vang)) thanh cha*.