Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
nhung hong » nhung huong, nhung phong, nhung cong
trinh van » trinh han, trinh quan, trinh toan
ho chinh » hoc chinh, cho chinh, hoa chinh
trinh va » trinh vat, trinh ve, trinh vi
van toan » van tuan, van tan, van thanh
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: ho chinh sach - hanh ((trinh va) or (trinh van)) ((nhung hong) OR (nhung chong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - hanh ((trinh va) OR (trinh van)) ((nhung hong) OR (nhung chong)) van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - hanh ((trinh va) or (trinh van)) ((nhung hong) OR (nhung chong)) van toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - hanh ((trinh va) or (trinh van)) ((nhung hong) OR (nhung chong)) van toan cao*.