Perhaps you should try some spelling variations:
phuong danh » phuong dinh, phuong hanh, phuong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
phuong anh » phuong hoang
hanh tinh » nhanh tinh, thanh tinh, canh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap
cua thi » cua thoi, cua toi, cua chi

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 - ((hanh tinh) or (hanh trinh)) cua thi ((phuong danh) OR (phuong anh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh tinh) OR (hanh trinh)) cua thi ((phuong danh) OR (phuong anh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh tinh) or (hanh trinh)) cua thi ((phuong danh) OR (phuong anh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh tinh) or (hanh trinh)) cua thi ((phuong danh) OR (phuong anh)) toan cao*.