Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
quang dung » quang trung, ung dung, cuong dung
hanh dang » hanh dong, hanh dung, hanh mang
dung cong » dung trong
anh dang » anh dong, anh dung, anh bang
san phan » san pham, van phan, dan phan
sat phan » sat nhan, vat phan, xuat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((hanh dang) or (anh dang)) quang dung cong ((san phan) or (sat phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh dang) OR (anh dang)) quang dung cong ((san phan) OR (sat phan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh dang) or (anh dang)) quang dung cong ((san phan) or (sat phan)) cau*.