Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 hach - canh tranh cua nhung cong dan ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu hach - canh tranh cua nhung cong dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - canh tranh cua nhung cong dan ((than cau) OR (toan cau))*.