Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh van » trinh han, trinh quan, trinh toan
dang cong » dung cong
hang nong » thang long, han tong
san phan » san pham, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - canh trinh van ((dang cong) or (hang nong)) san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - canh trinh van ((dang cong) OR (hang nong)) san phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - canh trinh van ((dang cong) or (hang nong)) san phan cac*.