Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
san chang » ban hang, dan chan, van khang
cong san » cong tac
chang tu » chung tu, chang xu, hang tu

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 xanh) or (chiet tach)) - canh trinh vat nhung cong san chang tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - canh trinh vat nhung cong san chang tu.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - canh trinh vat nhung cong san chang tu*.