Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
chinh can » chinh ca, chinh ban, chinh cau
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
chan cau » phan cau, can cau, chinh cau

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 (lieu tinh)) - hanh trinh va nhung cong san ((chan cau) or (chinh can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (lieu tinh)) - hanh trinh va nhung cong san ((chan cau) OR (chinh can)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (lieu tinh)) - hanh trinh va nhung cong san ((chan cau) or (chinh can))*.