Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
van tuan » van ban, anh tuan
van quan » 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: hoc thieu sach - hanh dung cua nhung cong ((van tuan) or (van quan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh dung cua nhung cong ((van tuan) OR (van quan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh dung cua nhung cong ((van tuan) or (van quan)) ban*.