Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh tinh » manh tinh, canh tranh, nhanh tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
co lieu » cot lieu, co hieu, so lieu

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 tinh) or (hanh tinh)) ((cua dung) or (cua dang)) huong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - ((canh tinh) OR (hanh tinh)) ((cua dung) OR (cua dang)) huong dan than cao.
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - ((canh tinh) or (hanh tinh)) ((cua dung) or (cua dang)) huong dan than cao*.