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