Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu co doi snippets" » "thieu so doi snippets", "thieu o doi snippets", "thieu mot doi snippets", "thieu cho doi snippets", "thieu co dot snippets", "thieu co dai 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: (((("thieu co doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thieu co doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu co doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu co doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.