Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chiu tac can snippets" » "chiu tai can snippets", "chiu trach can snippets", "che tac can snippets", "chiu tac van snippets", "chiu tac quan snippets", "chiu tac vang snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("chiu tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chiu tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chiu tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chiu tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.