Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu lang » chieu sang, hieu lang, chi lang
trinh cua » tinh cua, trinh quan, trinh luan
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo chieu lang - hanh ((trinh cua) OR (trinh luat)) dung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu lang - hanh ((trinh cua) OR (trinh luat)) dung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu lang - hanh ((trinh cua) OR (trinh luat)) dung cong dan toan cao*.