Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
hanh hanh » hanh han, xanh hanh, nhanh thanh
viec toan » kiem toan, viec ban, viec tai
toan tap » toan ban
hanh va » hang va, hanh vi

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 sach) OR (chieu sang))) or (hieu lang)) - hanh hanh va nhung cong viec toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chieu sang))) OR (hieu lang)) - hanh hanh va nhung cong viec toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sach) OR (chieu sang))) or (hieu lang)) - hanh hanh va nhung cong viec toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) OR (chieu sang))) or (hieu lang)) - hanh hanh va nhung cong viec toan tap*.