Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » ho chieu, hoc hien, hoc thiet
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
san chinh » lan chinh, van chinh, ban chinh
chinh can » chinh ca, chinh ban, chinh cau
hoc dieu » hoc hien
cong san » cong tac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc chieu) OR (hoc dieu))) OR (hoc thieu)) xanh - hanh tranh cua nhung cong san chinh can~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hoc chieu) OR (hoc dieu))) or (hoc thieu)) xanh - hanh tranh cua nhung cong san chinh can~".
• Adding a wildcard symbol may retrieve word variants: ((((hoc chieu) OR (hoc dieu))) or (hoc thieu)) xanh - hanh tranh cua nhung cong san chinh can*.