Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
tranh va » tranh van, trang va, trinh va
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap
ho lieu » so lieu, co lieu, ho kieu

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 - canh tranh va ((dung cong) or (((thong cong) OR (trong cong)))) dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tranh va ((dung cong) OR (((thong cong) OR (trong cong)))) dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - canh tranh va ((dung cong) or (((thong cong) OR (trong cong)))) dan phan cac".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh tranh va ((dung cong) or (((thong cong) OR (trong cong)))) dan phan cac*.