Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
minh tuan » anh tuan
song dan » song danh, song van, cong dan
dan phan » doan phan, dan chan, van phan
ki nang » ky nang

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 - ((minh tuan) or (hanh trinh)) ((cam nang) or (ki nang)) song dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((minh tuan) OR (hanh trinh)) ((cam nang) OR (ki nang)) song dan phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((minh tuan) or (hanh trinh)) ((cam nang) or (ki nang)) song dan phan tu*.