Perhaps you should try some spelling variations:
trong thuan » trong thuat, trong chuan, trong thuong
chieu sang » chieu sach, chieu xanh, nhieu tang
trong tuan » trong quan, trung tuan, trong tan
phan thanh » pham thanh, ban thanh, van thanh
hieu lang » hieu quang, nhieu tang, hieu van
nang cong » nang song, dang cong, bang cong
cong phan » cong nhan, cong khan, chong phap
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) OR (hieu lang)) - hanh ((trong thuan) OR (trong tuan)) nang cong phan thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - hanh ((trong thuan) OR (trong tuan)) nang cong phan thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - hanh ((trong thuan) OR (trong tuan)) nang cong phan thanh lap*.