Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
trinh va » trinh van, trinh vat, trinh ve
dan phan » doan phan, dan chan, dam phan
van phan » van phong, van thanh, luan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - canh trinh va nhung cong ((dan phan) or (van phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - canh trinh va nhung cong ((dan phan) OR (van phan)) tu.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - canh trinh va nhung cong ((dan phan) or (van phan)) tu*.