Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh manh » hanh mang, lanh manh, hoang manh
cong tuan » cong tan, cong luan, cong thanh
chu xanh » chu manh, chua xang, chuc danh
tuan van » luan van, tran van, tan van
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (((chieu xanh) or (hieu lang)))) - hanh manh va nhung cong tuan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (((chieu xanh) OR (hieu lang)))) - hanh manh va nhung cong tuan van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (((chieu xanh) or (hieu lang)))) - hanh manh va nhung cong tuan van ban*.