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
hieu lang » hieu quang, nhieu tang, hieu van
nang cong » nang song, dang cong, bang cong
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
cong van » cong vang, cong san, song van

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 van thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh ((trong thuan) OR (trong tuan)) nang cong van thanh lap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - hanh ((trong thuan) or (trong tuan)) nang cong van thanh lap*.