Perhaps you should try some spelling variations:
ganh nang » anh nang, nganh nong, van nang
nang quan » ban quan, nang suat
quan dung » quang dung, quan duong, qua dung
cong manh » cong danh, duong manh, cong thanh
ho chiet » ho thiet, hoc thiet, hoa thiet
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
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: ((ho chiet) OR (ho chieu)) tach - ganh nang quan dung ((cong manh) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho chieu)) tach - ganh nang quan dung ((cong manh) OR (cong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) OR (ho chieu)) tach - ganh nang quan dung ((cong manh) or (cong san)) toan cao*".