Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chinh tau » chinh tai, chinh cau, chinh tu
chinh tan » chinh tai, chinh ban, chinh can
cong san » cong tac
chinh ta » chinh tai, chinh va, chinh tri

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - canh tranh cua nhung cong san ((((chinh tau) or (chinh tan))) or (chinh ta))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh cua nhung cong san ((((chinh tau) OR (chinh tan))) OR (chinh ta)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua nhung cong san ((((chinh tau) or (chinh tan))) or (chinh ta))*.