Perhaps you should try some spelling variations:
hinh sach » chinh sach, sinh sach, dinh sach
ganh lang » ganh nang, nhanh lang, gian lang
dung cong » dung trong
hach toan » thanh toan, manh toan
hoa hinh » hoa sinh, hoa binh, hoan chinh
lang van » dang van, tang van, hoang van
van dung » van dong, xay dung, tin dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoa hinh sach - ganh lang van dung cong ((hach toan) or (anh tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoa hinh sach - ganh lang van dung cong ((hach toan) OR (anh tuan)) ban*.