Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
cong dan » cong san, cong tan, huong dan
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: hoc thieu sach - ((hanh dung) OR (hanh dong)) luan nhung cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh dung) OR (hanh dong)) luan nhung cong dan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh dung) OR (hanh dong)) luan nhung cong dan ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh dung) OR (hanh dong)) luan nhung cong dan ((toan tap) or (toan ban))*.