Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, hieu cach
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cong nong » cong dong, cong cong, cong trong
nong ban » nong dan, nong san, dong ban
ban phan » ban phap, van phan, ban than
phan tap » phan lap, han tap, pha tap

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 (chieu sach)) - hanh trung cua cong nong ban phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu sang))) OR (chieu sach)) - hanh trung cua cong nong ban phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu xanh) OR (chieu sang))) or (chieu sach)) - hanh trung cua cong nong ban phan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) OR (chieu sang))) or (chieu sach)) - hanh trung cua cong nong ban phan tap*.