Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu tac can snippets" » "hieu tac code snippets", "hieu cac can snippets", "hieu dac can snippets", "hieu tuc can snippets", "hieu tac van snippets", "hieu tac quan snippets", "hieu 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: (((("hieu 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: (((("hieu tac can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu tac can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu tac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.