Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac san tin snippets" » "cac dan tin snippets", "cac van tin snippets", "cac ban tin snippets", "cac san tinh snippets", "cac san ten snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cac san tin snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( cac san tin snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cac san tin snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.