Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, canh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 (thanh tinh)) va ((nhung cong) or (dung trong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh tinh) OR (thanh tinh)) va ((nhung cong) OR (dung trong)) dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh tinh) or (thanh tinh)) va ((nhung cong) or (dung trong)) dan than cao*.