Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap chi con snippets" » "phap chim con snippets", "phap che con snippets", "phap thi con snippets", "phap chi cong snippets", "phap cho con snippets", "phap khi con 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 chi con 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 chi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap chi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap chi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.