Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
trinh va » trinh van, trinh vat, trinh ve
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 trinh va ((dung cong) or (thong cong)) dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh trinh va ((dung cong) OR (thong cong)) dan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh trinh va ((dung cong) or (thong cong)) dan phan cac*.