Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
dung dong » dung cong, vung dong, dung trong
dung dan » dung dat, dung san, tung dan
dong anh » hong anh, dong thanh, hoang anh
tuan tai » toan tai, quan tai, tan tai

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 - ((dung dan) or (hanh doanh)) ung dung dong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - ((dung dan) OR (hanh doanh)) ung dung dong anh tuan tai.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - ((dung dan) or (hanh doanh)) ung dung dong anh tuan tai*.