Perhaps you should try some spelling variations:
chieu xang » chieu sang, chieu xanh, nhieu tang
hieu lang » chieu sang, hieu quang, nhieu tang
manh tung » manh hung, thanh tung
dung cong » dung trong
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san than » sang than, san thanh, ban than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xang) OR (hieu lang)) - manh tung cua dung cong san than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xang) OR (hieu lang)) - manh tung cua dung cong san than tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xang) OR (hieu lang)) - manh tung cua dung cong san than tap*.