Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh
truong cao » truong dai
hieu manh » hieu nganh, dieu hanh, hien hanh
hang cong » dang cong, hang nong, bang cong
cao hang » cao dang, cao tang, cao bang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) or (chieu xanh))) or (chieu sang)) - hanh truong cao hang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (chieu xanh))) OR (chieu sang)) - hanh truong cao hang cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (chieu xanh))) or (chieu sang)) - hanh truong cao hang cong dan toan ban*.