Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap thu dk snippets" » "phap thuc dk snippets", "phap tu dk snippets", "phap che dk snippets", "phap thu da snippets", "phap thu do 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 thu dk 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 thu dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap thu dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap thu dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.