Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
dung cong » dung trong
hang qua » hang quan, hang cua, hoang quan
hanh qua » thanh qua, hanh sua, hanh cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - hanh ((hang qua) OR (hanh qua)) dung cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh ((hang qua) OR (hanh qua)) dung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh ((hang qua) OR (hanh qua)) dung cong tac toan ban*.