Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
hang cong » dang cong, hang nong, bang cong
thang tu » thong tu, thanh tu, hang tu
cong tac » cong ty
tac doan » tap doan, tan doan, thai doan
doan tap » toan tap, doan cap, doanh tai
tu hang » thu hang, tu hanh, tu hung

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 lang)) - thanh thang tu hang cong tac doan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sang) OR (hieu lang)) - thanh thang tu hang cong tac doan tap*.