Perhaps you should try some spelling variations:
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » trung tam
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 hieu lang - manh ((trung cap) OR (truong cao)) nhung cong san than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - manh ((trung cap) OR (truong cao)) nhung cong san than tap".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - manh ((trung cap) OR (truong cao)) nhung cong san than tap*.