Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi voi he snippets" » "doi voi he snippets", "pho voi he snippets", "hop voi he snippets", "choi voi ho snippets", "choi moi he snippets", "choi vi he 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: (((("choi voi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi voi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi voi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi voi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.