Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
trinh chat » trinh luat, trinh han, trinh phan
kinh chat » dinh chat, minh chau, dinh chau
ho thieu » hoc thieu, ho chieu, ho thiet
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thieu quang - than ((kinh chat) or (((trinh chat) or (tinh chat)))) trong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thieu quang - than ((kinh chat) OR (((trinh chat) OR (tinh chat)))) trong cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: ho thieu quang - than ((kinh chat) or (((trinh chat) or (tinh chat)))) trong cong dan than tap*.