Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
danh cong » dang cong, hanh cong, dinh cong
chao chu » cho chu, cua chu, cao cho
chu sach » cau sach, thu sach, chieu sach
anh cong » hanh cong, anh dong, thanh cong
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu sach - ((hanh dung) OR (hanh dong)) luan ((danh cong) or (anh cong)) tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu sach - ((hanh dung) OR (hanh dong)) luan ((danh cong) OR (anh cong)) tan tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu sach - ((hanh dung) OR (hanh dong)) luan ((danh cong) or (anh cong)) tan tran tap".
• Adding a wildcard symbol may retrieve word variants: chao chu sach - ((hanh dung) OR (hanh dong)) luan ((danh cong) or (anh cong)) tan tran tap*.