Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
khong tung » khong dung, khong xuong, chong trung
doi chieu » doc hieu, doi chi, ho chieu
manh tung » manh hung
hoa khong » khoi khong, hoa cong, he khong
tung dan » dung dan, huong dan, trung dai
toan tai » toan tap, doanh tai, toan ban
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: doi chieu xanh - ((thanh tung) or (manh tung)) hoa khong tung dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh tung) OR (manh tung)) hoa khong tung dan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((thanh tung) or (manh tung)) hoa khong tung dan ((toan tai) or (toan cao))*.