Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong san » cong tac
thai cao » thoai cac, thuat cao, toan cao
ho lieu » so lieu, co lieu, ho kieu
tai cao » tao cao, tai sao, tai cac

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

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