Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
hung huong » nhung huong, hung vuong, dung huong
tuan hung » tran hung, luan hung, tuan dung
toan ban » van ban
than ma » than man, than va, khan ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chiet tach)) - hanh trung tuan hung huong dan ((toan ban) or (than ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chiet tach)) - hanh trung tuan hung huong dan ((toan ban) OR (than ma)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chiet tach)) - hanh trung tuan hung huong dan ((toan ban) or (than ma))*.