Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
hanh hang » thanh hang, hang hang, hanh han
cua trong » cua truong, cua trung, qua trong
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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) or (doi chieu)) sach - hanh hang cua trong cong tan ((han tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) sach - hanh hang cua trong cong tan ((han tap) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) sach - hanh hang cua trong cong tan ((han tap) OR (toan tap))*".