Perhaps you should try some spelling variations:
ngang toan » nganh toan, dang toan, quang toan
thanh toan » thanh hoa, thanh san, tinh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
chinh ca » chinh ta, chinh va, chinh tai
ca dung » cao dung, cap dung, cu dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chu)) tinh - hanh chinh ca dung cong ((ngang toan) or (thanh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chu)) tinh - hanh chinh ca dung cong ((ngang toan) OR (thanh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) tinh - hanh chinh ca dung cong ((ngang toan) or (thanh toan)) cao*.