Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
cong khanh » cong thanh, cong khan, cong nhan
khanh toan » thanh toan, khanh thanh, khanh thuan
canh tang » anh tang, canh tranh, cang thang
dung cong » dung trong
toan ban » van ban
tang su » tang suc, trang su, dang su

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tach - canh tang su dung cong khanh toan ban~.
• Adding a wildcard symbol may retrieve word variants: toc thieu tach - canh tang su dung cong khanh toan ban*.