Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, nhung don
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh dung » thanh dung, anh dung, hanh dong
hang cong » dang cong, hang nong, bang cong
doan phan » doanh phan, toan phan, dan phan
dung cua » dung luan, dung cho
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (lieu tinh)) - hanh dung cua ((nhung cong) OR (hang cong)) doan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (lieu tinh)) - hanh dung cua ((nhung cong) OR (hang cong)) doan phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (lieu tinh)) - hanh dung cua ((nhung cong) OR (hang cong)) doan phan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (lieu tinh)) - hanh dung cua ((nhung cong) OR (hang cong)) doan phan tap*.