Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trong tin » thong tin, trong tan, trong tieng
dung cong » dung trong
nhanh bac » nhanh ha, nhanh va
thanh tai » thanh hai, thanh toan, doanh tai
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) OR (hieu lang)) - hanh trong tin dung cong san ((nhanh bac) or (thanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (hieu lang)) - hanh trong tin dung cong san ((nhanh bac) OR (thanh tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) OR (hieu lang)) - hanh trong tin dung cong san ((nhanh bac) or (thanh tai))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) OR (hieu lang)) - hanh trong tin dung cong san ((nhanh bac) or (thanh tai))*.