Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao tac can snippets" » "dao tac code snippets", "dao tao can snippets", "dao tuc can snippets", "dao tay can snippets", "dao tac van snippets", "dao tac quan snippets", "dao tac vang snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dao tac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao tac can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao tac can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.