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