Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
tuan cao » juan cao, quang cao, thuan cam
toan cao » toan ban, toan tap
tung va » trung va, tuong va, dung va

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 - thanh ((tung va) or (truong va)) nhung cong quang ((tuan cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((tung va) OR (truong va)) nhung cong quang ((tuan cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((tung va) or (truong va)) nhung cong quang ((tuan cao) or (toan cao))*.