Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
hieu sang » hieu lang, hieu quang, nhieu tang
luan hang » luan han, luan hung, luan tang
luan nang » luan van, van nang, luan san
cong than » cong thanh, cong thang, cong tan
than nhan » thanh nhan, than phan, chan nhan
nhan cach » phan cac

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 sang) OR (chieu sang)) - chinh doanh ((luan hang) or (luan nang)) cong than nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu sang) OR (chieu sang)) - chinh doanh ((luan hang) OR (luan nang)) cong than nhan cach.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu sang) OR (chieu sang)) - chinh doanh ((luan hang) or (luan nang)) cong than nhan cach".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sang) OR (chieu sang)) - chinh doanh ((luan hang) or (luan nang)) cong than nhan cach*.