Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doi chi, mot chieu, thi chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 (((doi chieu) OR (doc hieu)))) xanh - canh tranh cua nhung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doi chieu) OR (doc hieu)))) xanh - canh tranh cua nhung cong tan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((doi chieu) OR (doc hieu)))) xanh - canh tranh cua nhung cong tan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) OR (doc hieu)))) xanh - canh tranh cua nhung cong tan phan tu*.