Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, hang cong
bang than » bang thanh, ban than, bang nhan
sang than » cang thang, dang thanh, sang tao
chinh ta » chinh tai, chinh va, chinh tri
ta nhung » tay nhung, va nhung, tu nhung

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 - hanh chinh ta nhung cong ((bang than) OR (sang than)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu tinh - hanh chinh ta nhung cong ((bang than) OR (sang than)) ban".
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - hanh chinh ta nhung cong ((bang than) OR (sang than)) ban*.