Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
hanh dung » thanh dung, anh dung, hanh dong
cua trong » cua truong, cua trung, qua trong
dung cua » dung luan, dung cho
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((hieu lang) or (hieu quang)) - hanh dung cua trong cong ty ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((hieu lang) OR (hieu quang)) - hanh dung cua trong cong ty ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: thien ((hieu lang) or (hieu quang)) - hanh dung cua trong cong ty ((toan ban) or (toan cao))*.