Perhaps you should try some spelling variations:
thuong dan » huong dan, thuong han, thuong dam
hoc chieu » hoc thieu, ho chieu, hoc hien
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang

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) or (toc thieu)) sach - thanh cong dan hang thuong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sach - thanh cong dan hang thuong dan thanh lap*.