Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh quan, trinh luan
thong dan » thong van, tuong dan, thong den
dan chan » dan gian, dan ca, van chat
chan cac » phan cac, chon cac, nhan cach

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 sang - hanh ((trinh cua) or (trinh luat)) khong thong dan chan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh ((trinh cua) OR (trinh luat)) khong thong dan chan cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((trinh cua) or (trinh luat)) khong thong dan chan cac*.