Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh
song luong » cong luong, song duong, song thuong
doi chieu » doc hieu, doi chi, ho chieu
luong va » dung va
hanh cac » hang cac, hanh cat, nhanh cay
va hanh » van hanh, va thanh, va danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((hanh trinh) OR (hanh chinh)) qua song luong va hanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((hanh trinh) OR (hanh chinh)) qua song luong va hanh cac".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh trinh) OR (hanh chinh)) qua song luong va hanh cac*.