Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
dang nguoi » dung nguoi, nang nguoi, thang nguoi
tang nguoi » thang nguoi, tang nguon, nang nguoi
doi chieu » doc hieu, doi chi, ho chieu
trinh cac » trinh cau, trinh chat, trinh chao
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 tinh - canh trinh cac ((dang nguoi) or (tang nguoi)) ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh trinh cac ((dang nguoi) OR (tang nguoi)) ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh trinh cac ((dang nguoi) or (tang nguoi)) ((dan toan) or (dan than)) cau*.