Perhaps you should try some spelling variations:
dong thanh » truong thanh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
chan tu » phan tu, han tu, chon tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) xanh - canh tranh cua khong ((cong tan) or (dong thanh)) chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh tranh cua khong ((cong tan) OR (dong thanh)) chan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - canh tranh cua khong ((cong tan) or (dong thanh)) chan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - canh tranh cua khong ((cong tan) or (dong thanh)) chan tu*.