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