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