Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
luan nhung » luan chung, luan hung, luan phuong
quan nhung » qua nhung, cua nhung, luan chung
hieu lang » hieu quang, nhieu tang, hieu van
cong tac » cong ty
tac pham » thuc pham, san pham
pham dau » phan dau, pham dac, pham dat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu sang)) - canh doanh ((luan nhung) OR (quan nhung)) cong tac pham dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - canh doanh ((luan nhung) OR (quan nhung)) cong tac pham dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) or (chieu sang)) - canh doanh ((luan nhung) OR (quan nhung)) cong tac pham dau".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - canh doanh ((luan nhung) OR (quan nhung)) cong tac pham dau*.