Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phung con bo snippets" » "phung cong bo snippets", "nhung con bo snippets", "nhung cong bo snippets", "phung can bo snippets", "phung con co 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: (((("phung con bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phung con bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phung con bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phung con bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.