Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
lang vat » lang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung
cong van » cong vang, cong san, song van
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - nhanh lang vat dung cong van ((han tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - nhanh lang vat dung cong van ((han tap) OR (toan tap))*.