Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap san he snippets" » "phap sang he snippets", "phap han he snippets", "pha san he snippets", "phap dan he snippets", "phap san ho snippets", "phap van 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: (((("phap san 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: (((("phap san he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap san he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap san he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.