Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh dinh » thanh dinh, hinh dinh, hanh tinh
hang cong » dang cong, hang nong, bang cong
cong manh » cong danh, duong manh, cong thanh
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
dinh ve » dinh ket, dinh van
ve hang » ve hoang, ve chang, va hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (chieu sang)) - hanh dinh ve hang cong manh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh dinh ve hang cong manh ((toan tai) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - hanh dinh ve hang cong manh ((toan tai) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - hanh dinh ve hang cong manh ((toan tai) or (toan ban))*.