Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh manh » hanh mang, lanh manh, hoang manh
duong van » luong va, dang van, trong van
manh cua » doanh cua, ban cua
duong va » dung va, luong va, dong va
tan ban » toan ban, tang 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: theo ((chieu sach) or (nhieu tang)) - hanh manh cua cong ((duong van) or (duong va)) tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (nhieu tang)) - hanh manh cua cong ((duong van) OR (duong va)) tan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (nhieu tang)) - hanh manh cua cong ((duong van) or (duong va)) tan ban*.