Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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 sang - hanh ((((tinh cua) or (trinh quan))) or (trinh han)) nhung cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((((tinh cua) OR (trinh quan))) OR (trinh han)) nhung cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((((tinh cua) or (trinh quan))) or (trinh han)) nhung cong tap toan ban*.