Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh han » trinh quan
hang cong » dang cong, hang nong, bang cong
han hang » hang hang, han chang, ban hang
bang bai » bang bac, dang bai, hang ban
bang hai » hang hai, dang hai, lang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trinh han hang cong ((bang bai) OR (bang hai)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trinh han hang cong ((bang bai) OR (bang hai)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh han hang cong ((bang bai) OR (bang hai)) tap*.