Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh han, trinh toan
trinh quan » tinh quang, trinh luat, trinh han
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
san cong » sang cong, van cong, ban cong
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 chu xang - hanh ((trinh luan) OR (trinh quan)) san cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xang - hanh ((trinh luan) OR (trinh quan)) san cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chu xang - hanh ((trinh luan) OR (trinh quan)) san cong dan toan cao*.