Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho tuc hon snippets" » "pho tu hon snippets", "phong tuc hon snippets", "phon thuc hon snippets", "pho tuc huong snippets", "pho tuc phong 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: (((("pho tuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho tuc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho tuc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho tuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.