Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
hieu cach » chieu sach, hieu ca, biet cach
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
hieu cac » hieu luc, hieu va, hieu van
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((((hieu cach) OR (hieu cac))) or (chiet tach)) - hanh manh cua nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((((hieu cach) OR (hieu cac))) OR (chiet tach)) - hanh manh cua nhung cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((((hieu cach) OR (hieu cac))) or (chiet tach)) - hanh manh cua nhung cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: toc ((((hieu cach) OR (hieu cac))) or (chiet tach)) - hanh manh cua nhung cong van toan ban*.