Perhaps you should try some spelling variations:
trinh phan » trinh quan, thanh phan, trinh toan
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
trinh han » trinh quan
canh ban » can ban, canh dan, canh van
cua dung » cua dang, cua dong, qua dung
co lieu » cot lieu, co hieu, so lieu
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: co lieu tinh - canh ban cua dung cong ((trinh phan) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - canh ban cua dung cong ((trinh phan) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - canh ban cua dung cong ((trinh phan) or (trinh han)) cau*.