Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, doi chieu, mot chieu
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
pham ma » pham va, pham van, pham tai

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 dang ((cong thanh) or (cong tan)) pham ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh tranh cua dang ((cong thanh) OR (cong tan)) pham ma.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh tranh cua dang ((cong thanh) or (cong tan)) pham ma*.