Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
luat dung » suat dung, luat chung, luat quang
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: doi ((hieu lang) OR (chieu sang)) - hanh trinh luat dung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu lang) OR (chieu sang)) - hanh trinh luat dung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) OR (chieu sang)) - hanh trinh luat dung cong tac toan tap*.