Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
tranh lan » tranh luan, tranh ban, thanh lan
cong doan » cong hoan, dong doanh, cong san
ho chieu » theo chieu, doi chieu, mot chieu
lan lang » ban lang, lan tang, van lang
cong dan » cong san, cong tan, huong dan
phan tap » phan lap, han tap, pha tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sach - canh tranh lan lang ((cong doan) or (cong dan)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - canh tranh lan lang ((cong doan) OR (cong dan)) phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - canh tranh lan lang ((cong doan) or (cong dan)) phan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - canh tranh lan lang ((cong doan) or (cong dan)) phan tap*.