Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh huong » thanh huong, anh huong, manh huong
cua phuong » cuu phuong, cuc phuong, luan phuong
thong than » thong thanh, thong phan, thong nhan
hoc thieu » toc thieu, hoc hien
huong cua » dung cua
thong tan » thong tran, thong tin, thong van
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 huong cua phuong ((thong tan) OR (thong than)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh huong cua phuong ((thong tan) OR (thong than)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh huong cua phuong ((thong tan) OR (thong than)) toan tap*.