Perhaps you should try some spelling variations:
trong anh » truong anh, trong nganh, trong doanh
hieu lang » chieu sang, hieu quang, nhieu tang
doi hieu » doi chieu, doc hieu, doi hien
anh bang » anh hoang, anh quang, tinh bang
anh dong » anh huong, anh son
van dung » van dong, xay dung, tin dung
tuan tap » toan tap, tuan tai, tuyen tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - ((anh bang) or (anh dong)) van dung trong anh tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((anh bang) OR (anh dong)) van dung trong anh tuan tap*.