Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong vang » cong lang, cong quang, cong ngang
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - thanh dung luan nhung cong vang ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - thanh dung luan nhung cong vang ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - thanh dung luan nhung cong vang ((toan tai) or (toan ban))*.