Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dong thong » thong thong, nong thon, dong thanh
chuc danh » chuc nganh, thuc hanh, chuc nang
hanh tang » hanh trang, anh tang, hanh mang
thong dan » thong van, tuong dan, thong den
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
tang ha » lang ha, tang ma, trung ha
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chieu xanh)) - hanh tang ha dong thong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chieu xanh)) - hanh tang ha dong thong dan than cau*.