Perhaps you should try some spelling variations:
hanh dang » hanh dong, hanh dung, hanh mang
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
chao chu » cho chu, cua chu, cao cho
chu bang » thu bang, chuc nang, chu quang
anh dang » anh dong, anh dung, anh bang
toan cao » toan ban, 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: chao chu bang - ((hanh dang) or (anh dang)) cua ((hang cong) OR (hang nong)) tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu bang - ((hanh dang) OR (anh dang)) cua ((hang cong) OR (hang nong)) tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu bang - ((hanh dang) or (anh dang)) cua ((hang cong) OR (hang nong)) tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: chao chu bang - ((hanh dang) or (anh dang)) cua ((hang cong) OR (hang nong)) tinh toan cao*.