Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh luan
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san than » sang than, san thanh, ban than
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (doi chieu)) tinh - hanh ((trinh cua) or (trinh quan)) hang cong san than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (doi chieu)) tinh - hanh ((trinh cua) OR (trinh quan)) hang cong san than man.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (doi chieu)) tinh - hanh ((trinh cua) or (trinh quan)) hang cong san than man*.