Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cua nhung » va nhung
dinh cua » dinh cuu, sinh cua, dinh cu
cong dan » cong san, cong tan, huong dan
gian van » giang van, gian dan, gian lan

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) or (((chieu sang) or (hieu lang)))) - hanh dinh cua nhung cong dan gian van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - hanh dinh cua nhung cong dan gian van.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sang) or (hieu lang)))) - hanh dinh cua nhung cong dan gian van*.