Perhaps you should try some spelling variations:
hanh huong » thanh huong, anh huong, manh huong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
huong cua » dung cua
cua thong » cua thuong, cua khong, cua tong
thong tan » thong than, thong tran, thong tin
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 chieu) or (hoc thieu)) sach - hanh huong cua thong thong tan ((han tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - hanh huong cua thong thong tan ((han tap) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc thieu)) sach - hanh huong cua thong thong tan ((han tap) OR (toan tap))*".