Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
anh truong » manh truong, anh thuong, anh trong
truong cao » truong dai
hieu lang » hieu quang, nhieu tang, hieu van
dang cong » dung cong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan tap » toan ban

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) OR (chieu sang))) or (chieu sach)) - anh truong cao dang cong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu lang) OR (chieu sang))) OR (chieu sach)) - anh truong cao dang cong tap toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((hieu lang) OR (chieu sang))) or (chieu sach)) - anh truong cao dang cong tap toan tap*".