Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nguong dan » huong dan
thong cua » thong quan, thong tu
huong cua » dung cua
ho chieu » theo chieu, hoc thieu, doi chieu
nong dan » cong dan, nong san, huong dan
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: ho chieu xanh - nhanh ((thong cua) or (huong cua)) cong ((nong dan) OR (nguong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - nhanh ((thong cua) OR (huong cua)) cong ((nong dan) OR (nguong dan)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - nhanh ((thong cua) or (huong cua)) cong ((nong dan) OR (nguong dan)) toan cao*".