Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap dai hoi snippets" » "tap dai hoi snippets", "hop dai hoi snippets", "hap dan hoi snippets", "hap dai hoc snippets", "hap dai hai snippets", "hap dai moi 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: (((("hap dai hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hap dai hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap dai hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap dai hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.