Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
hieu van » hieu va, thien van, lieu va
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan tap » toan tap, doan cap, doanh tai

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

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