Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
cap chung » cao chung, ca chung, lap chung
cac chung » cac phuong, cac cong
thong anh » thong danh, thong lanh, hong anh
tuan thu » toan thuc, van thu

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 sach)) - hanh trung ((cap chung) OR (cac chung)) thong anh tuan thu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh trung ((cap chung) OR (cac chung)) thong anh tuan thu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - hanh trung ((cap chung) OR (cac chung)) thong anh tuan thu".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh trung ((cap chung) OR (cac chung)) thong anh tuan thu*.