Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan 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) OR (canh tranh))) or (hanh chinh)) quan dung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((((hanh trinh) OR (canh tranh))) OR (hanh chinh)) quan dung cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((((hanh trinh) OR (canh tranh))) or (hanh chinh)) quan dung cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((((hanh trinh) OR (canh tranh))) or (hanh chinh)) quan dung cong dan toan tap*.