Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
nhieu tang » chieu sang, nhiet nang
truong cao » truong dai
hieu lang » chieu sang, hieu quang, hieu van
hang cong » dang cong, hang nong, bang cong
dien dan » hien dai, vien dai, gian dan
cao hang » cao dang, cao tang, cao bang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 lang) or (((nhieu tang) or (dien dan)))) - hanh truong cao hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (((nhieu tang) OR (dien dan)))) - hanh truong cao hang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) or (((nhieu tang) or (dien dan)))) - hanh truong cao hang cong dan van ban*.