Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tieu danh » dieu danh, thien danh, dieu hanh
tiep danh » thien danh, tiep can, hiep dinh
trong bai » trong ban, thong bai, trong hai
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung
bai toan » bai tap
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((tieu danh) OR (tiep danh))) or (chieu xanh)) - nhanh tinh cua dung trong bai toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((tieu danh) OR (tiep danh))) OR (chieu xanh)) - nhanh tinh cua dung trong bai toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((tieu danh) OR (tiep danh))) or (chieu xanh)) - nhanh tinh cua dung trong bai toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((((tieu danh) OR (tiep danh))) or (chieu xanh)) - nhanh tinh cua dung trong bai toan cao*.